That's half of the point of having uBlock Origin. Use the zapper to disappear an element for the session, use the picker to poof them forever. They really work on making their webapps as unbearable as possible, but you can get rid of it to make them webapps great again. Can even add sites/pages as home app icons.

Which makes Firefox the obviously better mobile browser, Chrome seems like a pretty strong case of defaults' power. Tho gotta add the "Google Search Fixer" select addon because they sure doesn't want you to get summary cards, financial charts and other goodies if you use a competitor browser.

Google, YouTube, Facebook, Instagram, Twitter and co without the ads circus. Duolingo without daily activity limit for some reason.