Golf is not a verb. One does not golf. One plays golf.
Grammar policeman isn’t a job, but that doesn’t stop people from pursuing it as a career.
It’s a pet peeve for many golfers. The noun golf is widely misused as a verb. That’s not to say there isn’t a proper use as golf as a verb, but that’s rarely the case. Professional writers make the mistake constantly and it irks me to no end.