Users often ask / let me turn those off for them. Except spotlight local-to-disc, plus system updates, but if the user is savvy at all I ask if they would like notifications instead of auto install.

The iCloud stuff that is hard to let go is usually the calendar/contacts/reminders, and substitutes are poor usability. I’m often surprised at how easily they give up photo syncing for ‘I’ll just use a cable.’

fb messenger, though, once people are locked into that, it’s hard to escape, especially for boomers.