yeah, it's the primary reason I still use the (undeveloped) uMatrix. ublock supposedly can do the same things, but umatrix has an amazing interface that's clear and straightforward while ublock is like one of those mobile first (but also only) websites
And you have to actually click submenus to expand them, you don't just hover. And of course other menus like bookmarks open submenus when you hover, so it's a gamble every time.