fwiw pg said early on that downvoting for disagreement is perfectly fine: https://news.ycombinator.com/item?id=117171
commenting about voting is also something the HN guidelines warns against:
> Please don't comment about the voting on comments. It never does any good, and it makes boring reading.
Reminds me of telling employees to not discuss their wages. If voting here is such a toxic experience, maybe HN needs to wake up and smell the garbage.