I watched my 78yo step mother become addicted to reels so older people are definitely not immune. But she was able to go cold turkey as she only communicated with her sister over instagram so it wasn’t a problem to just continue with WhatsApp. Young people real life networks are too enmeshed with instagram to have the same option.

Also, what you’re describing sounds like when you’ve haven’t spent enough time on the shorts for the content recommendation algorithm to learn your preferences. Which I agree, is unwatchable. I saw it recently when my friend put on YouTube shorts on a guest account (on an Airbnb smart tv). it was bad. But spend enough time and that will change. But best you don’t!