It feels large to you because you are in it. Other language communities feel small to you because you are not in them.
Are those all small communities too?
https://i.stack.imgur.com/Jteqd.png
I'm sure theres also still tons of skilled engineers for Perl around. Or Fortran. Definetely Java. But the TIOBE index looks more like taking inventory of existing skill throughout the industry and less like it tracks disruptive trends.
how twisted does your dislike of a language have to be for you to not even acknowledge that a lot of people use it