re: Since 2011 City has only made 2 major changes to its starting XI while spending

There is no divine right to win the champions league and going out to Barca isn't exactly a disgrace.

They have underperformed a bit given their investment, no arguments there, but these things take time when you're trying to change the mentality of a club that used to be a marginal English top flight side. They don't turn into European Champions overnight, I don't care how much money you spend.

I think it's fair to question the wisdom of some of their moves but they have also done a lot to build up their infrastructure between their amazing new training facilities and satellite clubs.