It is indeed! And I note that Hadders pointed to guidance that passengers have less rights if they use contactless to cross London rather than having a ticket that includes zone 1. Does that only apply to advance tickets? If so, why? And would the same apply if you walked?
The only issue with walking is that the minimum interchange times assume you will take the tube; if walking results in a longer transfer than the suggested time, you could have a problem. That clearly won't be a problem for Euston to King's Cross; platform to platform if you know where you are going, it can actually be quicker on foot.
Agreed that the delay repay claim was paid for the full journey in that particular case, but it was far from clear whether that was by luck or by right. There was plenty of guidance given by various posters that the OP should have included zone 1 in her ticketing, that wasn't positively refuted. The most definitive rebuttal seems to be Yorkie stating in his opinion it was not correct. Importantly, I can see no explanation on that thread for why the advice on needing zone 1 was incorrect.
I'll turn that round: if people claim Zone 1 is required, why? This is something people have made up.
Apologies for not starting a new thread, however I was only continuing a query already raised in this thread (posts #4 onward). In retrospect, it would be better as this is not about connection times. Can it be split?
It's more for future reference; it's far easier if people create new threads. Splitting is a pain, but it can be requested by reporting the first post to be split, including in the report a list of post numbers to move, and a suggested thread title. The opening post may need some re-wording.
Agreed that I introduced the concept of a "significant gap". I did that in order to understand when journeys join up and when they don't.
Yes but these tickets join up at London Termina.s
It is far from obvious that someone who has a ticket from Gloucester to London Terminals, and another from London Terminals to York, neither of which is valid for travel between Paddington and KX, is still entitled to delay repay for a journey that includes that leg.
There is no gap; yes the recommended interchange times during the daytime include the tube, and yes that needs to be ticketed somehow, but that doesn't mean there is a "gap".
Thanks to you and Hadders for the explanation which wasn't given in the original thread that I recalled, or in previous responses on this thread. However, I am unclear why it would be different for advance tickets, as per the guidance referenced by Hadders in that thread.
It's not different for Advance tickets; it's just that for Advance tickets, care does need to be taken to ensure minimum interchange times are met, and that there isn't an actual gap, for it to constitute one journey. Our ticketing site will handle that automatically. If people want to do their own thing, that's up to them.
To demonstrate there is no "gap" and our site isn't doing something that fundamentally at least
some TOCs do too, below is a screenshot from Chiltern's site.
The screenshot shows a late night journey from Coventry to Didcot Parkway, with a (unexplained) 'transfer' between Euston and Paddington, when the tube isn't running:

Chiltern's site does not state what tickets you are being issued, nor does it make it clear that Euston to Paddington isn't actually a train (it's a "make your own way" transfer.
The tickets are:
Coventry to London Terminals £44.80
London Terminals to Didcot Parkway £41.10
Total £85.90
Maybe the Chiltern site reveals the combination of tickets once payment has been taken, but on my browser I saw no way to find this out, so I had to figure it out using alternative methods.
There is no gap, it's all one journey.
(There is also no "gap" in Bradford, nor would building a metro between the stations 'create' a new gap that didn't previously exist
, and don't get me started on Manchester!)