The joke is more likely to resonate with the audience if it corresponds to their experience.
If they laugh, that proves I'm right;
Note the difference in meaning between the two italicized phrases?
if they boo, that proves I'm right.
What did I say that could reasonably be interpreted this way?
(Edit: thinking about it, I think I see how you got that impression: Laughter is evidence that you're right, an extreme negative reaction is weaker evidence that you're onto something. Indifference, or a non-extreme negative reaction is thus evidence that you're wrong.)
That in a marriage, the natural and desirable order of things is that man shall be the absolute ruler and woman the slave, and that any other arrangement is a futile struggle against our fundamental biological nature that if pursued will bring only doom and destruction?
Seriously, could you at least try not to straw-man my position?
The joke is more likely to resonate with the audience if it corresponds to their experience.
If they laugh, that proves I'm right;
Note the difference in meaning between the two italicized phrases?
Consider "proves" replaced by "is evidence in favour of". It doesn't change my point.
if they boo, that proves I'm right.
What did I say that could reasonably be interpreted this way?
That's the other half of the pattern -- which you obligingly go on to complete:
...Laughter is evidence that you're right, an extreme negative reaction
As Multiheaded added, "Personal is Political" stuff like gender relations, etc also may belong here.