The Potential of Separation of Concerns in HTML

I think that we've fallen into this idea of separation of concerns a little too, by default. Tailwinds is the most successful going against that grain and it's proven to be a very successful way to build web. There comes a point where there's just too much code in line and it's time to pull stuff out to a method. Maybe like, don't repeat yourself for its own sake. If that makes it clear, what's mine?