"I don't think you should attack frontally others like that whenever"
Gael Duval attack GrapheneOS, GrapheneOS responds to these attacks.
"I understand its CEO and the Murena company might have attack the GrapheneOS project in the past"
It's not in the past, these attacks are recuring, and he does it again in this recent video. Duval has been waging a disinformation campaign against GOS for years.