Really. Good for them. If this were about Vegas, that might be relevent.
Their only mistake was admitting the idea for the name came from native American culture on their web site.
Nah. The mistake was the fact that the French at some point decided tehy needed a name for a strip club and said "Gee, why don't we name it after some famous american indian?" which, in all honesty makes zero sense to me...
But either way, if the Sioux wanna, well, threaten to sue, that's fine. They can do that. It just shows how beaten down they've become, and personally I think it's sad that a once fierce and proud people have succumbed to the liberal plantation mentality...