You’ll only get more extensions, if anything. The current copyright system is an atavism from older, simpler times.

Yup, with so many accounts we use today, and the necessity of having strong passwords, 2FA/TOTP, and not reusing passwords across accounts, a password manager is a basic necessity.

I’d still recommend Vaultwarden through VPN if you are used to manage servers, or a KeePass database synced through any cloud storage if you’re not into IT.