Soldato
If everyone stops using them, of course they'll be in trouble. If you like the service, why not stick with them? You're protected up to £85k or whatever the figure is.
I've not experienced a single problem and I'm not planning on switching in the foreseeable future. None of the changes mentioned above will make any difference to me and the way I bank.
It's also worth adding that the FSCS is very fast. Usually less than a week to get your money back.
Personally, I do not like Monzo's CEO or the way the company markets it products and backtracks on promises. Never been fond of way the owners try to grow the company either.
Starling is my main account. I have a Revolut card for foreign transfers, and a Monzo card as a further back-up. That doesn't include my CCs for different types of usage.