I agree.
Don't bite the hand that feeds (you) ... and indeed, he isn't the type to come out and spend like crazy. It is exactly that mentality that got him where he is in life. No rash decisions.
We just came back from a two year absence in the Super League, and ever since he took over, he took AEK in the right direction (up), ... of course these kind of results hurt, but give it time.