Using a vpn in this case would hide some info from the site like your IP address. They would only see the IP of the vpn provider instead of your IP assigned to you by your ISP. However, traffic between you and the site is still unencrypted. As others have mentioned, as long as you don’t enter sensitive info while browsing these sites you should be okay.
Hasn’t Elon constantly lied to you?, yet you still listen?