It's easy to forgot the benefits of laziness: http://augustss.blogspot.com/2011/05/more-points-for-lazy-ev...

Laziness is a good default for declarative programming. Nix from NixOS is an example of a recent lazy language and benefits greatly from it.

Even in strict languages, lazy behaviour is often added, for example iterators and streams. Mixing effects and mutation with such constructs is also problematic.