The trailing commissions are a legally obtained asset, I can’t...

The trailing commissions are a legally obtained asset, I can’t imagine that can just be taken away! That asset alone is worth more than MC making this a no brainer in my opinion. Has anybody got any real insights how/if the trailing commissions might be legally affected? Or am I right to assume that regulators set the future not the past & would not be able to take a legally obtained taxed employing listed asset of which they had oversight? (Would that leave the regulators open to a class action?)