Yeah, I know that this is the rationale for the rule ... but it really has become an excuse to close a question as duplicate just because one of the X solutions

Yeah, I know that this is the rationale for the rule ... but it really has become an excuse to close a question as duplicate just because one of the X solutions might "in theory" solve your problem, even if they don't. Even if you've stipulated in your question why, because you've anticipated all those alternative answers yourself, already.