Hi,
This is a good question; for now my answer would be no, I wouldn't bother with rolling it out to non-news pages at the moment. Right now it's only for news/article pages, and if you do have any of that content on your site, it would certainly be worth rolling it out to those, but we don't know how it will play out.
Although it is likely that we could see it roll out further in the near future, for now I think you're best off simply improving other areas (including mobile-related things like mobile-friendliness of the UX and site speed) until we see what direction Google ends up taking this in.