I fell in love with Haskell for quite some time. In fact, I still really enjoy the language. But after a while I noticed that I was not in love with Haskell itself but some of the things it brings to the table which are very important. Sure there may be new languages in 50 years in the mainstream, but let's hope we learn from our past successes and failures. In that sense, it pays to care about languages today as they will directly impact the future.

If we all give up and just use mainstream languages, then the future will be filled with copies of mainstream languages.