Soooo.... if a statistician doesn't know C but knows R then that's a deal breaker? How about if a 3d game programmer knows lua, but can't do function pointers

Soooo.... if a statistician doesn't know C but knows R then that's a deal breaker? How about if a 3d game programmer knows lua, but can't do function pointers ? I'm way too late to this party, but I'm sorry it's horses for courses here. Know the tools for your trade. Nothing more, nothing less.