Shanks releasing his Haki from dozens of miles away to "warn" Greenbull still had Jinbe recognizing it as monstrous. Meanwhile Mars was in their immediate vicinity, in his awakened form and with the intend to kill everyone in the process of stopping the message.
Likewise, Warcury performed his roar from close range, and it literally did nothing; the giants simply slapped him away like a bitch.
Nice try though hating.