I think what we've seen over the last decade or so is that STLs have been updated with a lot of the features people loved about DTLs, while DTLs have not been a

I think what we've seen over the last decade or so is that STLs have been updated with a lot of the features people loved about DTLs, while DTLs have not been able to add the features people love about STLs. Ultimately, I guess it was easier to add lambdas to Java than to add solid IDE support to javascript.