You are arguing against the fundamentals of taxation.
Why are others entitled to his money (for healthcare)? Because we decided that we are all good people and take care of each other.
And, it's more humane to pay taxes for social welfare, than it is to pay taxes to soldiers to protect you by shooting the needy who would hang you for not giving social welfare to them.
He is arguing that they are not entitled to his money, but others should be entitled to others (home owners) money. Or as Pink Floyd might say "share it fairly but don't take a slice of my pie"