Well it doesn't matter what I think, just what empirical evidence says. That's because of agglomeration effects I think. "In the UK" is the keyword, if they wa

Well it doesn't matter what I think, just what empirical evidence says. That's because of agglomeration effects I think. "In the UK" is the keyword, if they wanted to earn ten times that they could move to Silicon Valley and do that. So you're left with people who don't want to uproot their lives like that.