Just because you donate sperm does not make you a father. I don't have a father. I would never give him the credit or acknowledge him as my father.
For if enough people were really convinced that growth should be halted, and if they acted on that conviction, then billions of others might be deprived of any realistic hope of gaining the opportunities now enjoyed by the more fortunate.
You say he's childish, but he's very professional about business transactions.