You can try fedora. The workstation if you love GNOME, otherwise the KDE spin.

Isekai?

You can create an instagram account with Tor for example, but it’s extremely difficult. First try creating and Facebook account with their onion address. If not possible, try with the clearnet one. Then login to insta with that FB account. Your account might get restricted and you have to wait for a few months to lift it. You can also appeal to them.

Okay, I don’t ever see this problem. Using Brave and uBlock origin in Firefox. Maybe just update your filters once in a while?