Wow you nailed this stuff and more grease to your elbow. And adding to all you've said so far, it is always advised to make lots of researches before jumping into cryprocurrencies. One of the major reasons why newbies like myself fall for very cheap scams, is the mentality that crypto is a get rich quick scheme and on sighting any promising opportunity on the internet, we tend to jump on it without proper findings and research, and at the end of the day get scammed and we start parading crypto as a scam, hence discouraging other people who which to get involved in crypto.
What about scamming the scammers? 
If you have free time to do that, then do it. But I won't do what they do because you'll also be part of them even if your victim is them. launched their tokens.I don't really think it will be easy to scam the scammer, as the scammer's sole goal is to make money and not lose money in any form. There is nothing like free time as it will be just a waste of time but if you can scam the scammer a d get successful with that then there is no harm in that because you outsmarted the scammer.