Yea but that's the same as 0.000001% of miners "forcing" a change. They aren't "forcing" anything. There is no "force" in Bitcoin. Only choice. You can chose to run different rules, and it doesn't matter if you control 1% or 50% or 90% of the hashrate. The Bitcoin network will ignore you and proceed undeterred.
No amount of miners trying to force anything will ever make my node accept anything other than. 21M