I can easily install an ActivityPub server, with Glitch.
Show me the ATProto server that can integrate with BlueSky.
> I can easily install an ActivityPub server, with Glitch.
Can you? The same Glitch that shut down last year? https://blog.glitch.com/post/goodbye-glitch
Regardless, ActivityPub and ATProto have different designs and goals. Your question is akin to comparing a helicopter and an airplane.
There's no such thing as a "ATProto server". How complicated it is, and the trade-offs it made are valid criticisms of it. It all depends on what exactly your goal is as a participant of a distributed social network.
Never used it, but I've seen some praise for Snac as an easy to deploy activitypub server
A PDS? Here: https://blog.bront.rodeo/setting-up-your-own-pds/
Want your own AppView so you can have nekusar.net and post your messages and people on BSky see it ? https://github.com/blacksky-algorithms/atproto
ActivityPub zealots would do well to calm down for one second, this can't be good for your heart man.
There is no "AT Proto server" - https://overreacted.io/there-are-no-instances-in-atproto/