Well, why would you get thanks for not doing something that they request you do?
If I asked a mate to paint my fence and he didn't do it, I wouldn't thank him, would I?
In any event, it is a courtesy to wear one in that TOCs eyes. If enough people complain they may change that message, if enough people support it and follow their request then they will keep it up. Until they see any reason to remove the request they won't. You are under no obligation to wear one, so don't, but also don't expect to be thanked for not doing something the company you are traveling with wants you to do.
As I mentioned these announcements are very one-sided in favour of the face mask wearers, and somewhat discriminatory towards those who choose not to wear face masks. This despite the fact that it's been no longer mandatory to wear face masks on public transport, in shops, etc, etc since 28th January! We don't need to wear pointless ridiculous face masks anymore! These announcements are just not needed anymore. IF these companies insist on still putting out PA announcements and signage about wearing face masks, it should at least be neutral such as "
The wearing of face masks is now personal choice. Please respect other people's decision.". Better still though, all these announcements really needs to go soon-ish now rather than potentially dragging on for months and months into possibly even 2023!
I think some of these train operators are way over-estimating how many people wish to both still wear face masks themselves and expecting everyone else to do the same, onboard their trains! I remember when mandatory face mask laws were scrapped on 19th July last year, just 5 days later than that on the 24th July I did a return trip from Bristol-Weymouth on GWR. Both legs of the journey were very busy, and I'd say easily at least 95% of passengers were NOT wearing face masks. Also did a return trip to Bournemouth in August with GWR and South West Trains. Again easily at least 95% of passengers not wearing face masks! Also in October and November a few trips up to Birmingham with GWR and West Midlands Railway, the statistics of people wearing/not wearing face masks were very similar. I expect it's similar to that along those lines now. Though in some parts of the country, the wearing of face masks seems to be a lot higher such as Devon and Cornwall. Not sure why that is exactly. But I expect the numbers will start dropping over the coming months.
But if train operators such as GWR who put these nonsense PA announcements out such as "Thank you for wearing a face covering, if you can. Out of respect to others" begin to see that the VAST majority of their passengers are not wearing face masks and confident and happy enough to do so and have no problem with other people not wearing them, then surely they will see that these such announcements are absolutely pointless and be sensible enough to scrap them?!
I for one find that these PA announcements mentioning such words as "face covering, "face mask", "We're still all in this together", "Let's be on the safe side", "Socially distance", "keep your distance" I find very very agitating and effects my mental health. Drives me mad! It was one thing when these restrictions were still legal for all that time(well over a year in total!!!) and all these supermarkets, trains, etc had these PA announcements about them frequently going off. But these restrictions/laws are scrapped now. I really don't need to hear these darn announcements with these darn words anymore! That's why I avoid supermarkets/stores that still have that nonsense going such as Sainsbury's, Tesco, and Poundland, and instead use alternatives such as Asda, Aldil, Lidl, Home Bargains, B & M, and Wilkinsons for a much more normal shopping experience where they no longer have those stupid PA announcements going off every few minutes. Big thumbs up for me to those stores. Big thumps down to the likes of Sainsbury's Tesco, and Poundland!
Incidentally, just came back from Aldi and Home Bargains. Easily at least 90% of customers and staff NOT wearing face masks! The vast majority of people have moved on from this face mask nonsense now from my observations!
We're no longer in July 2020 anymore. We're in February 2022, and have had the successful vaccine programme going for over 14 months now. Most people have been triple jabbed now. Time to get back to complete normality now. Companies like GWR, LNER, Sainsbury's, Tesco, Poundland, etc, please take note and ditch your pathetic announcements and signage about face masks and social distancing!