Deep dish crust has been surprisingly easy to replicate at home, but for the life of me I can't get the sauce and especially the sausage anywhere near where I want it. I swear Lou Malnati's does some outright witchcraft with their sausage. It's so good.
Plus, it's amazing how hard it is to find whole milk mozzarella in some places.
Still need market demand. People want these products.
You can't just chase a trend and throw out a game and expect it to print money. Ask Sony how that went for their run at a hero shooter.