I stand by my view that it's cheaper in the long run and any hurdles could be overcome as has happened in the May2019 timetable.The changes at Lancaster to accommodate more reversals wouldn't really help with the main WCML traffic. That is limited by the freight paths every hour and a whole lot more infrastructure changes would be needed to sort that. Have you given any thought to how ludicrously expensive it would be to change the formation north of Lancaster? New bridge across the river? Compulsory purchase of a housing development that isn't even finished yet? Not going to happen. Far cheaper to make use of what's there already.
The line's main use is the freight and it will remain in place while that is still necessary and/or desirable - which could be well beyond the end of this century if Heysham 3 gets built. While the track is there, may as well keep it in scope for passenger use. And when the track isn't there, they'll just cancel the services that don't fit the available paths.
Perhaps you have a sense of loyalty to the line or are 1 of the very few who use the passenger service.