Well, not as much as Haskell : "Haskell is pretty ideal but I’m not smart enough to hack the GHC. Lua is less ideal but a lovely language [...]" (at the beginning of the 2nd answer.)

> He regrets using the CommonJS module system

Yes, and this is pretty interesting. Also, he regrets using WAF as the build system ("it introduces more WTFs than necessary".)

I have a great respect for Ryan Dahl. He is not orthodox. He is not a blind parrot.