even the things that replaced it at this point are getting run into the ground and require replacing.
How so and what 'mass market' messengers are there that could replace them?
I have scoured and tried many messengers and most of them are just plain either not there yet or never will be.
The only one that is actually private and good I have come across is Signal and it doesn't seem like it is either "run into the ground" nor does it "need replacing".
I just don't see anything else becoming 'mass market' as most of them are too niche or are developed only for tech obsessives and paranoid folks, with either not always on e2ee or suspect business practices or just not on all platforms or never will be.