[gugagore]

It's useful to be able to give names to things and it's also useful to not be able to give names to things.

It could and could also not be useful to give names to all the subexpressions in the following

w = a(b(c(x,y),z))

You could impose a limitation on how many function can be in a single expression, forcing you to give names. That's analogous to your favorite feature, no?