Earlier quoted context omitted.
Mate, the general population increasingly don’t even use desktops or laptops for personal usage anymore let alone a desktop OS specific IM client from the early 2000s.
My daughter (who teaches math at HS) asked me to create educational videos for her kids who don't know how to work a computer. They only know phones.
I can certainly understand that one would do so on the go, but it seems extremely cumbersome to do a school assignment on a phone keyboard.