I agree with you (and also somewhat with the other people, too)
I want to keep some accounts completely separate from my other accounts, and also don’t want to set up a whole other set of accounts to keep them separate
E.g., on Reddit I would keep certain conversations on reddit only (but used a 3rd party app mostly so I never saw the chats, just dm/pms)
For funsies I looked up when I invited someone to Gmail:
Not sure exactly when my account was made but obviously before then! Also check out the generous one gig of storage space