Of course they do lots of other stuff, like Hive, that is completely unrelated to PHP. I never doubted that. But Alexandrescu was talking about PHP as a language and as a runtime. All the PHP specific things they do seem to be about fixing things that they wouldn't have to fix if they had chosen a different platform like Java or SBCL common lisp or Haskell or C#.
Nobody seems to really understand what votes are supposed to express in a debate. We do have words after all. But as long as there is no exchange rate for converting karma into dollars I remain unfazed ;-) Thanks for your support anyway.