Every ‘war’ that is not actually involving bloodshed can be good, because competition has been the spur of amazing human endeavors throughout history. Sometimes people need motivation to try something hard...
There is a legal/political artifact in this case: Intellectual property.
If IP didn't exist, then this wouldn't be good news, because we would have always had a competitive market in the first place, we wouldn't have proprietary ISAs.
This trade war just happens to interact with that artifact in a positive way: fostering competition in spite of IP.