Save Simon the Dog!

[Catherine]

Why couldn't the teenager go play ball in the park somewhere and leave the neighbours alone.

You are right this is about breed prejudice. No dog could be expected to ignore a "break-in" like that.
If it had been a fluffy miniature poodle everyone would be calling the dog a brave hero. Instead Simon is seen as a dangerous dog and a menace. 

I hope his family can save him.