Here's the problem, you all know what airline Business Class started out as, right? They started out as "a step above" regular Economy. Then they morphed into flat bed seats and, in some cases, even replaced First Class. I'm talking about international flights here.
So, you put 2-1 seating in a bus, you will have to increase the legroom and the seat width to accommodate larger seats. You would be making a luxury bus service. It's not just 48 seats going to 36 seats. Think this way: you have a H3-45 standard at 56 seats. Take out four rows first to create extra legroom. Drop down to 40 seats. Then make 2-1 seating, drop down to 30 seats. Standard BoltBus is 50 seats. Add the other various costs of a luxury operation, as said by JebR, and you'll be charging double fare over standard Bolt. Add an attendant, triple fare. An attendant would be almost useless anyway, and I do say almost, but seriously, what is he going to do? Food service? Yeah, quadruple fare for the galley and food, you'll be making Vonlane fast and doing the same thing airlines did to Business Class.
My suggestion for BoltBus Deluxe would not be a luxury bus service. It would "a step above" regular BoltBus. Any bus with 2-1 seating is not "a step above" the average bus on the road. Technically BoltBus already is a step above because they out one row of seating. But many people still say it's not enough. So this would be to appease those people, and extra legroom would do that. Extra seat width would not do that, because you can simply have 2-2 seating and allow a passenger to reserve double seating at double fare. That way larger and smaller passengers could differentiate themselves.
For me, 2-1 seating we be a big huge waste because 2-2 is more than enough for me, though perhaps I am just too skinny, but again, the average American should fit perfectly in Torino G. Want more room? Buy double tickets. Better idea than ostracizing the smaller passengers that don't need the room and don't want to pay extra.
Good thing about Torino G, the seats have only a tiny gap between them, so two would merge to form one seat:
https://www.dropbox.com/sh/5uaoqsl4s02k2ui/AABVK8_021XshoQ3gHTqqs67a/10010-3986.jpg.
And GML, you are the one that said you loved that blue interior with Torino G.
Edit: Now that double seating at double fare would double fare over a single BoltBus Deluxe. As I said, Greyhound could charge 1.5 times regular Bolt fare, double of that would be 3 times regular Bolt fare, yes, quite a bit extra, but you want it, you pay for it, and you get it.