This. Just, this.
Either way, it's still completely disgusting that people can just slap together a team of Tyranitar + Scizor + Rotom-W + Landorus + Terrakion + Dragonite and win games with ease. BW OU is more ass than GSC right now.
Anyway, I believe the only reason Scizor usage is ridiculously high is thanks to the omnipresence of Terrakion in the metagame, since Scizor is the only Pokemon that can check Terrakion with ease and Terrakion has no true counters.
I hate to admit it, but I have used almost exclusively Sand offense and the Volt-Turn just cause it works so well. I use Scizor to check Terrakion cause it is a huge threat that cannot be left unchecked.
And I kinda disagree with Terrakion having no true counters. Regenerator Slowbro counters it pretty well and isn't so niche that its useless against other things.
Maybe this will sound crazy, but i think we may have been better off with the BW OU metagame if we had allowed Excadrill and Deoxys-S. Maybe if it gets too bad, could there be a possibility of doing like a trial with them allowed to see if it provides a more favorable metagame?