Not at all. He is a business man first and foremost
As you said. Why risk losing 100 million this year and the next for 1.8 million a year Pirlo?
The guy has a gentleman's agreement or has a contract that can't be sacked until the end of the season or we will have to pay n sum.
That's the only reason why he is not sacked.
That says more about Pirlo who doesn't have the decency to quit.