If it's something that people are using a lot then anything that improves the experience can be seen as increasingly important/valuable.

From a practicality perspective, they offer precision, feedback and speed advantages over membrane/rubber dome types which can be valuable in different use cases.

I haven't used gamer brand mechanical keyboards in a while, but my previous impression was that they were overpriced and generally at the lower quality/poorer experience end of the spectrum. I think there are likely far better options out there at all price points.