How do you attach it to condescension?
You don't -- hence why I've repeatedly stated it's defined as "misogynistic condescension" and not merely "condescension".
The misogyny is the modifier.
Why do you even assume they see anyone as a woman at all?
The only way for you to square this up is to either concede that you think any woman who believes a man is being misogynist towards them is herself being misandrous -- or that misogyny and misandry don't exist at all.
Which is it?
Only if misogyny isn't sexist.
Calling someone a hard r is almost always racist.
You've failed to demonstrate that it is "specifically and explicitly sexist".