wait if the account is deleted can they still restore the comments?
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Probably better to replace your comments with some gibberish generated by chatgtp instead of deleting them. It will be much harder to figure out on mass scale if the edit was legit or not compared to them just looking for recently deleted comments or comments that mention something like “comment deleted by x tool”.
You should bear in mind, PowerDeleteSuite doesn't get everything. It can only see what's in your reddit profile under New, Top, Hot & Controversial - there will be numerous posts that are too old with only 1 or a few karma that aren't displayed in these lists. In particular, if you go through your top posts of all time, you might find some replies to these posts that you made that the script did not see.
The GDPR archive gives a full list of all the comments. What we need is a FOSS script that can use these csv files to get everything. Apparently Shreddit can take the csv files, however you have to pay $15 to use this feature.