Definition of vandalism: willful or malicious destruction or defacement of public or private property.
It's vandalism.
It's vandalism.
> act of random vandalism or hooliganism
darkerside correctly corrects that:
> These are targeted acts
That should be obvious to anybody that read the article, which contained several statements form the people involved explaining why they vandalized the cars. Calling it "random" acts of vandalism is an extreme misrepresentation of what happened. The vandalism was done for clearly stated reasons.