Clrnc I think if that had been your bottom line rather than "we should have made better use of our money" - a criticism any fan could make of any football team and is totally subjective anyway as everyone here will have different opinions on each investment we make - the conversation would probably have ended there.
I'm not saying you're wrong to say it, but you could apply that statement to any transfer window Arsenal have ever had, literally any one, and you'd be right. Except in the summer we signed Jens Lehmann for a million notes and then became Invincibles.