I think the solution might be to make Logi bots more complex to field, rather than to slow them down.

Make them be used like an airport might -- you deliver materials to a roboport with belts, and bots from that roboport are dispatched to deliver those items to other roboports that request them ...

I didn't know i wanted these changes before. I like them.
But please change the hotbar hotkeys from [shift]+1..5 to 6..0 and while you're at it: twenty quick slots are not enough even with blueprint books. So please add more levels to the toolbelt upgrade research.

Would be nice to add 6-0 for ...