I don’t get the downvote system, sometimes I get downvoted for no reason, sometimes I get downvoted for asking on legit but grey comments without comments why i

I don’t get the downvote system, sometimes I get downvoted for no reason, sometimes I get downvoted for asking on legit but grey comments without comments why it got downvoted, etc.. Downvoting without providing a reason is indeed demoralizing and toxic imho.