It’s a friendly transaction between users purely out of the desire to help, and leaving it available to those who have the same question.
Further, it’s a transaction that Reddit facilitated out of their own pocket. I think people are being extremely petty about it. It’s best to just mourn and move on, we can still appreciate the golden years that Reddit gave us.
Yeah I guess many skilled sports have some unique slang for a beginner or someone with no clue. Grom is another weird one for surf/skate.