One of things I'm most happy about in my future use of this phone is that it's use will be associated with sensible people like you.
Telegram is a LOT better than Discord. It isn't great, but it isn't spawn of Mephistopheles like Discord is either. Basically, the only big privacy issue with Telegram is its requirement of a phone number. But, anyone with a 3 digit IQ knows giving up there phone number like that compromises privacy somehow, and are doing it for a greater convenience. I guess my point is that Telegram doesn't practice nearly the same amount of slimy, under-the-hood nastines