Yes but actually the use is still going down, because so many people from those regions are moving to Zürich and larger cities. There are more speakers in Zürich now.

I know some people that talk to there parents in Rumantsch that but most likely wont teach it to their children.

It will survive but its not really thriving either. Other languages is a great way to push against an 'enemy' language, like the revival of Gaulish in Ireland.

But we will get pretty good AI of it since there is so much official documentation in it.