You really need to think about the worst case when you use the word “all”
Think about the most acne-ridden, morbidly obese, ungroomed, mentally ill, racist incel with the worst hygiene. But hey, he plays starcraft and learned some computer programming. Down to smash?
You said “all nerds are sexy” you’re contradicting yourself here. Maybe you meant “nerdiness is sexy” but that is not what you said.