To average Joe (or even to relatively informed people) it doesn't really seem to do anything better than other similar cars that already exist (and that are proven and have much better after market support). Mazda already have the MPS 3, Honda have the Type-R civic, and keep in mind that the AWD VXR V6 version of the Commodore is already on the market, and for similar money to that you could get a WRX or an Evo or a Focus RS or a Stinger (or the other two) which mostly have the option of manual too, or some kind of pretty decent Euro for that coin if you wanted comfort too (not that the others are necessarily uncomfortable). IMHO opinion it kind of suffers from the same perception of the Malibu.
At another level I think it's a GM issue, they'd have to bring in a decent engine from the US (looking at the twin turbo V6 HF engines at a minimum), as well as generally not being as well regarded by the public for build quality as Japanese or Euro cars.
And then at another level I think a lot of buyers here are too one eyed and narrow minded to see past the name plate and will instantly discount it because it doesn't meet some arbitrary expectation or specification in their head (i.e. cylinders or naming).
I'd really like to see them put together something good (they kind of had had the chance but decided to bring the most boring variants of the ZB here), but the cards are stacked against them in this sense, particularly with pricing.