[jnovek]

“I’m sure there are some number of people out there who only use Facebook Messenger, do not check their email, refuse to use any other messenger”

I don’t know how old you are or where you live, but I’m in my mid 40s and don’t live in a tech city. A good quarter of everyone I know in my age range uses Facebook Messenger as their primary form of texting. Most of them don’t even use Facebook itself anymore, they just have a lot of momentum on Messenger.

[swiftcoder]

Yeah, this mirrors my experience. I've managed to convince a bunch of tech friends to migrate to Signal, but the vast majority of my non-tech friends/family in the US are exclusively available on Messenger