Earlier quoted context omitted.
Eh. He probably just didn't like the team/felt that they didn't know what they were doing/they wasted more time on meetings and discussion in general rather than him just not wanting to justify his approach.
I just can't imagine being able to judge that in a two week period unless it's a total shit show. I have no reason to doubt the GP and I think its more likely this is just a case of "I know better".
So many people forget that interviews are a two way street. I don't want to hire someone that is going to be unhappy in the position because unhappy programmers have poor output and bring down team morale.
They need to ask specific questions about the things that are important to them in a job so I know they are really thinking about whether the position is right for them or not.
Candidates who ask me no questions after being prompted for them never make it past the phone screening interview despite sometimes being very technically capable.