The amount of personal information you expose to the internet can be controlled, for the most part.
As far as interacting on this forum, TOR, proxies, VPN, I know the lingo but I don't know how it works.
If you wish to eliminate the possibility of being identified, don't identify yourself to anybody. Beyond that, use the strategy's on how to disguise your browsing that are readily available.
I've been doxxed after a I had a popular thread on reddit. After reading my comments, I realized I made it easy to identify who I am to anybody who cared.
The average user here has little incentive to try and expose information you are trying to hide. What would be the point? Any light they wanted to shed on you publicly would be quickly moderated; and if they wanted to interfere with your personal life in the shadows, there are precautions you can take that ensure this is extremely difficult for anybody...you just have to implicate them before you've already said too much.