If you are a scammer, you would typically do wash trading (or hire someone to do wash trading) for your own token to make it look like there is legitimate activ

If you are a scammer, you would typically do wash trading (or hire someone to do wash trading) for your own token to make it look like there is legitimate activity. Just because these tokens have been swapped doesn't mean this was done by retail. The vast majority of these tokens are probably "failed scams" where the scammers tried but failed to generate traction.