This is the way. I play COD Mobile, mostly BR and there’s some areas on both BR maps where you know a lot of people is going to land so there’s where I go all the time. If I die, ok, just repeat.
Also, pretty cool you found a group of like minded people who don’t focus on the score but on the fun.
ActivityPub. It’s a protocol just like SMTP for email. It allows these different platforms you mentioned to interact with each other. They all together form the fediverse.