In my opinion this should have always been the case. All designers should be able to code and do html/css. It's the medium of design.
> All designers should be able to code and do html/css. It's the medium of design.
So a fashion designer can mass produce clothing? So an interior designer can build a house?
This designer should has never held.
HTML and CSS, sure, but modern frontend design is way more than that; it's a jungle out there.