Just because the they are required to doesn't mean they would not wear one if they weren't required to.
You started it; citing professionals' wearing of helmets as a reason we should too. Before it was compulsory most pros did not wear them; that is a fact. Everything else is speculation and neither here nor there.
You started it; citing professionals' wearing of helmets as a reason we should too. Before it was compulsory most pros did not wear them; that is a fact. Everything else is speculation and neither here nor there.