"Jerk" used to be used for "soda jerk" -- a term pretty much unknown today.  Perhaps the preferred term would be "hardware hacks".

"Monger" most definitely is a term with negative connotations.  As in the word "whoremonger".  Although it's sometimes used in a humorous sense.......but even in cases of intended humor: "monger" still carries a negative implication with it.  You wouldn't refer to your best friend or to your mother as a "monger" - except perhaps as a joke.

You are no doubt correct about the 'pimp' term.  So the next time that you send a request for tech support to a human figure creator, start out your message by saying: "Dear pimp........".  They'll catch your drift.

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