I'm banned from every McDonald's store in the world but I still eat there.
Why are you banned worldwide from eating at McDonalds?
I made quite a mess there one day.
It's not good to disobey rules like bans from restaurants. McDonalds could have you arrested for tresspassing.
No one can stop me from going there.
Well I am sure the authorities will notice one day and arrest you. You can always find another place to eat or ask them to forgive you after so many years, so you could eat in there again.