If the game is good then I don't see why it couldn't. I've long stopped listening to what internet form goers think of the so called masses as if they aren't among them.
If the game is good, has great word of mouth, and is hella marketed then yeah it can easily do it.
Open world RPGs are a thing and this games scale looks great. The aesthetics are one thing but I think this is far more restrained and netrual then any other jrpg. Also there's plenty of people out there with complex tastes, I'm not going to try and lump people into categories. I also think XV could easily appeal to more then a few audiences. The supposed "bro" gamer is not the only type that plays games and people aren't so rigid in their tastes.
I'm not playing the demo. Demos for long RPGs never do it for me.