You really need to cut out these accusations of dishonesty - it’s a bad look. He’s not saying “separation of concerns and good naming practices” are bad things

You really need to cut out these accusations of dishonesty - it’s a bad look. He’s not saying “separation of concerns and good naming practices” are bad things, he’s saying that separation of concerns between HTML and CSS is mostly a false separation (it’s the same concern - making the UI look right) and that good naming practices are hard - best just do that in one place, the component that address the concern with both style and structure.