> 2) Regulations always get more strict over time. Eventually everything will be banned (knife, pepper spray...). In UK it is illegal to carry a screw driver on street.

Not completely true. It's not illegal to be carrying a screwdriver/fixed blade knife/other dangerous implement in public if you have a valid reason for it. We are not going to arrest an electrician walking down the street, but we will question the guy in a hooded tracksuit loitering outside the bookmakers with a screwdriver