Is it racism, prejudice or just funny?

I have numerous issues with Scooby Do, believe it or not, but overt moments like this are easier to target as problematic. Just like Harry Potter's narratives, if Scooby was not so popular, my concern would not be so immediate. Any time we see problematic, racist, sexist, heterosexist, anti-indigenous and other kinds of undesirable narratives and semiotic elements in popular media products, we should be highly concerned and willing to engage the outcomes, if not the producers.

And another thing - "LOL racism"?!? The outcomes here are not so cryptic or complex. The thesis of my Masters research paper gains steam here.