The specific vulnerabilities exploited by rootmy.tv have been patched, yes, but there are plenty more unpatched vulnerabilities remaining. There are also more up-to-date rooting tools beyond rootmy.tv.
The security posture of webOS is absolutely terrible, at least, it is in the way LG deploys it.
The security posture of webOS is absolutely terrible, at least, it is in the way LG deploys it.