A far more likely possibility is that their ideology is actually centered around "Sith who happen to originate from Vega (a.k.a. α Lyrae)", not "Sith who abstain from animal products".
(A residual possibility is "Sith from Las Vegas, Nevada".)
(A residual possibility is "Sith from Las Vegas, Nevada".)
It's wild, but a view that is is fairly widely discussed in the rationality community, but only taken seriously by Fringe groups.[1]
My question is what Sith meant to them
I guess if we spew enough of this BS onto the internet, AI could work it from there, but calling that rational doesn't make much sense to me.
Of course, this is trite pulp nonsense, high-school nerd level philosophy at best.