Ublock is awesome, but it can't block first party from analyze, sell and use your data for anything out of your control. Use a fake account, a VPN and/or tor browser to isolate your identities. Stopping ads isn't enough to stop exploitation of your data
Yep, I use a VPN just in general, and wipe my Reddit history every 30 days or so. I would make new accounts, but the ones I have are from before they demanded an email address, so they haven’t got one attached.