Sure you do. You have no problems saying guns should be banned or take issue with the original subject of this thread. Are you really saying your imagination does not allow you to come up with the next "deadly and dangerous" item that will be made illegal? Because as soon as it does, I am sure you will be saying "good" and "they should be arrested". Do you put no thought whatsoever into your countries laws and regulations?
That seems funny and paranoid to me.
Of course it does, that is why I said it would seem funny and paranoid to you. However, to the thousands that have been saved by an emergency tracheotomy, or cut their jammed seatbelt in a crash, or any of the other hundreds of examples, I am quite sure this IS NOT funny, nor paranoid, to them.
I have to assume you have never used a bladed object other than a table knife to cut your bangers with. Based on your comments, you can't even imagine a valid reason for carrying a knife period.
Do you feel safer knowing law abiding citizens can't carry a knife, given the knife related crime statistics in London and elsewhere?