Earlier quoted context omitted.
Yeah, my complaint was with the article. Why leave out such an important piece of information? Why not dig into the agreements and understandings? You say it is obvious, but to me it is not. I know of several works of wall-sized graffiti and similar that just had a verbal agreement, which would be very vulnerable if the property got new owners or management. As I understand it, here in Norway the propery owner would…
If they had verbal agreement it is not graffiti.
The dictionaries disagrees[1][2], but lets call it graffiti-styled street art then. Guess graffiti is perhaps a bit more a general term here[3].
[1]: https://www.ahdictionary.com/word/search.html?q=graffiti