no, thats not helpful, all of my posts stay up, deleting the account only harms you since you lose anything you saved, people still get to see your comments, It doesn’t remove how they find out if you make a new one either
Also once permanently banned you cant use any service to overwrite comments (kinda obvious but if you truly want to delete your redddit account/history do it before you get banned or it is impossible)
Reddit isnt normal social media, this is literally a clone with less ppl and communities, and less helpful ppl apparently