> 4) You can retake possession of your hacked Gmail account by providing one of the previously used passwords. No need to have a working phone.

This is what I'm worried about, if I don't have a phone number on a gmail account, won't it make it harder to get access to that gmail account if I am locked out. Even though there's obviously a bad security loophole with just having a phone number on your account as a recovery option, is it not worse to be locked out of your account with no way to get in?