Being next to the sink, might be a good idea to drill drain holes into the bins so water doesn’t get trapped in the bottom. Otherwise pretty cool! Next gridfinity step would be making some kind of purpose built holder for the flosser picks and the toothbrush head.
I switched from FFX to Chrome back in the day because Chrome tabs were all independent processes in task manager, and one crappy website wouldn’t kill my whole browser.
When Google started their war on addons, I switched back to Firefox.