Another clickbaity title not giving the whole story... "Huawei killing apps; devs blamed" would have been better. If a phone was crashing your apps and users blamed you (and rated your app as such), what would you do?
I think the only other reasonable thing that could be done is automatically responding to the one star reviews. Maybe work with Google to remove the reviews, but these things take time and may not work. I have a hard time finding a problem with what the devs have done here.
The fact that they still offer it as a direct download shows that they aren't solely trying to stop people from using it, but rather they know of the issues and don't want to claim full compatibility.