[TheFragenTaken]

I think what the parent is alluding to, is the fact that, Googling something and ending up on a Lemmy instance that is not your local one. You can, in fact, not comment on these instances. You must access it through your local instance (e.g. lemmy.world/c/[e-mail]).

[rglullis]

It won't be long until someone makes an extension that can detect AP servers and lets you interact with remote instances using your own.

[TheFragenTaken]

A browser extension? While I agree, the client (browser) probably has to know about ActivityPub, or store some state that sites can read (without third party cookies), it's not fair to expect users install a browser extension for what would be basic functionality in their eyes.

Thankfully, there are proposals to add ActivityPub as a web API: https://github.com/webap-api/webap-browser-extension