I don't particularly like the idea of rightward assignment (although the syntax itself seems fine to me), but the "million-and-one ways to do everything" is the

I don't particularly like the idea of rightward assignment (although the syntax itself seems fine to me), but the "million-and-one ways to do everything" is the biggest reason I strongly prefer the language over more "constrained/limited" languages like Python. In those terms, this seems like a definite win for the language (and those who choose to use it) for me.