A serious message

Trying times
My own incident today .. in a cafe today with mask on .. chap walks in to catch up with mates .. standing next to me says .. opps forgot mask.. tries to attack friends attention to buy for him.. they don’t hear... he goes to walk out and says out loud .. ah be ok stands next to me... I said very politely it would be preferable if you wear a mask.... he squared up and said F off mate ... what the hell is wrong with people!!!