But then I have to click into separate folders to view the same emails which I currently take in on a single page?

I'm going to take a wild guess that a large bulk of those 8K+ emails needs to be sent straight to the trash.

Possibly 25% of them. But why? Its more time efficient to just leave them there. You seem to be missing my point :)

I just hate having unecessary cruft personally. I need to organize everything