Could you please describe your use-case? How do you use it? How do you make use of it?
I use Claude code, so I understand that paradigm; I don't grok this though. Is it any different then going to a web page i.e. gemini.google.com and typing your query there?
Could this side bar have been a "search bar" at the top? Now that I say it out lou, adding them to the 'search providers' isn't a bad idea.
Generally speaking I am against this being shoved at us, but I find it as a useful tool in a limited number of areas.
I always have my browser open, so having it just one click away and not interrupting with whatever else the browser is showing feels convenient.
I'm using linux, so there are no official desktop apps I could use instead. Had there been, perhaps I'd have had a different opinion about the AI sidebar.