There's an argument to be made that Elves get more guff than Dwarves in the wider fandom because they're less traditionally masculine than Dwarves, but a) I don't think SV is a seething hotbed of those kinds of beliefs...
I think SV likes dwarves better than elves for a different complex of reasons.
It's not that they're manlier (the beards and ale and so on are liked
because they are dwarven).
It's that they're:
1) "High-tech" for the setting, fixated on craftsmanship, and surrounded by big infrastructure.
2) According of high respect
for craftsmanship and material achievement.
3) Usually on the defensive against genuinely frightening enemies.
4) Thus usually minding their own business until something attacks them, except when they get mad over
5) Being obsessively vindictive about often petty things.
And...
1) SV is technophilic and likes big infrastructure, so they like that.
2) While SV tends to spit on the word 'meritocratic,' they sure as hell prefer it to the alternative, so the respect matters.
3) SV likes to not have mixed feelings about whether its viewpoint characters are the good guys, so if Group X is facing a Group Y that's genuinely unlikeable (without needing fascist coding to make Group Y seem that way) then it helps SV to like Group X.
4) Again, SV likes to not have mixed feelings and often does not cope well with moral ambiguity, as it triggers morality debates and conflicts over who accuses who of self-righteousness. So a fundamentally 'defensive' faction that can usually be imagined as not having started shit is preferred.
5) Cynically, SV contains a lot of people who, while they may be trying to keep it in check,
hold a fucking grudge, and I suspect a lot of them identify with dwarves a bit because of that alone.
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If dwarves were mostly feminine-presenting, but still checked off all those five checkboxes, I think they'd be if anything
MORE popular on SV.