[DmenshunlAnlsis]

This should explain why: https://en.m.wikipedia.org/wiki/Argument_in_the_alternative

Originating in the legal profession, argument in the alternative is a strategy in which a lawyer advances several competing (and possibly mutually exclusive) arguments in order to pre-empt objections by his adversary, with the goal of showing that regardless of interpretation there is no reasonable conclusion other than the advocate's.