You are right about the legal action, you can read about that here:
https://www.yamaha.com/en/news_release/2023/23101001/

I'm not sure what's Roland part in it, but as we all know Medeli makes instruments for many big brands. These instruments are pretty good quality. You can see a tour of the Medeli company in the link below, it's very interesting to see how the AKX-10 is being produced. At 2:50 you can see an Alesis Nitro Max drum kit in a box.

https://youtu.be/7vFyfoqZavE?feature=shared