Earlier quoted context omitted.
I think you may have missed some comments farther down the issue chain: >If MuseScore was not acquired and continued down the current path, it would have been already shut down by now. This is what many people do not understand. MuseScore was going to be shut down if it was not acquired and a plan put in place with rights holders. >Any site or system of distribution that includes copyrighted works and is done so unde…
No. There are never any excuses for making false accusations, like claiming that a publicly, documented, authenticated, third-party API was being used illegally. There is also no excuse for sending threats of use of physical force by CCP instead of sending a proper DMCA. Even if musescore-downloader was doing illegal things (and I would argue it wasn't, since there was no circumvention of anything), the law should be…
Two, the DMCA seems to not apply here, if this is a Chinese citizen enforcing legal rulings against another Chinese citizen. That is a perfectly valid situation to call the police, in any country. The message getting relayed through a third party (Musescore) doesn't really change it.
Three, this argument is going around in circles, I think a great option would be to contribute to the author's musescore alternative: https://github.com/LibreScore/LibreScore