I agree with this summarization as well. What's implicit in both of these (IMHO), is that the type of friends Peter Thiel looks for will naturally be talented.

I agree with this summarization as well. What's implicit in both of these (IMHO), is that the type of friends Peter Thiel looks for will naturally be talented. And likewise for Mark, where someone he respects enough to consider working for is likely someone he would befriend. Big assumptions, but those guys are in the type of position where that's likely a reliable expectation.