Sinix even explicitly says that AI is an IP theft machine but it's okay to use AI to generate 360 rotation video to market your 2D works[0].

To summarize this era we live in: my AI usage is justified but all the other people are generating slop.

[0]: https://www.youtube.com/watch?v=z8fFM6kjZUk

[1]: Disclaimer: I deeply respect Sinix as an art educator. If it weren't him I wouldn't have learnt digital painting. But it's still quite a weird take of him.