If it were up to you, what punishment would you give these little shit stains in London?

They are vegan protesters that think we should all go plant-based diets.
[media=https://youtu.be/EcuyCdFNzQg]

This video makes my blood boil. Why not just buy a hundred gallons of milk and take it home and dump it on their own floors?

What did the store owner do wrong?