Emojis are not stupid when used well. They help add more context to a text.
If people use emojis stupidly, chances are they'll use "the alphabet" stupidly as well if there were no emojis. As in "lol like wat de eff amirite anyway bei felicia!"
I'm 48 years old, so I didn't grow up with them. I do think some of them have their place though, but there's quite a lot of novelty emojis. So I guess that I'm an old guy who only likes the old ascii emoticons.
IMO the best use of emojis was when Chinese citizens used them to share info about covid while the govt was actively censoring it (that article calls them emoticons for some reason though)