Don't be stupid either. There is the OP (for your perusal), and then there is you:

Fucking strangers is a behaviour rightly associated with poor impulse control usually stemming from trauma and/or mental issues. Most mostly-healthy people are not hopping into bed with people they’ve met once or twice.

Then:

There is a world of difference in the mentality of someone who X and Y

A far cry from your original statement.

There is a very good chance that there is something wrong with the person who can’t help but pick up random discarded chocolate bars off the ground or out of public trash cans

Yes, and with Redditors too - those who create who create bullshit strawman to defend a weak point that doesn't hold scrutiny particularly.

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For the record, I agree with the second thing I quoted from you here, which is in short "it depends". And I agree, none of these so called "behaviours" (*) doesn't prove anything either way.

(*) about which you pretend there are "decades of neurological and psychological research" - which I presume you are perfectly aquainted with and have spent decades studying? Don't make me laugh - what the fuck do you know about it all.