I think it’s just that the whole concept of shooting/ gunplay really lends itself to the first person viewpoint. Another example is racing games or flight sims. Plus, aiming/ shooting is a great example of easy to pick up, hard to master skills in both games and real life. So I think it’s just a natural use of the technology

Mastodon let’s you do exactly this, I think lemme should too

Control and money. They can serve more ads and harvest your data more easily if they control the platform