User blog comment:Kogath/Monster Hunter: World Discussion/@comment-25083735-20190612000955/@comment-24734669-20190612010217

@Nuke2099

"Not from the gameplay they have shown anyway. You have to be closer than in previous games to get damaged. Tigrex has also been slowed down as well much like Diablos was and the real kicker here is that this is G-rank."

I've heard rumors that, much like Nergigante in the demo, Tigrex was nerfed just for the E3 demo.