Totally agree.
The minute you fire in someone's direction, even if it was only at their tires. You have threatened their life. Although your intent was not to harm them, you have fired bullets at them which could easily ricochet off of the tires and hit the driver. There is no such thing as a...
Did this work?
If not, I am on Sky and have had similar things in the past.
By any chance you're not using wireless ethernet are you? I was for a short time when my cable broke and I received problems alike the ones you are describing.