That's possible, but money is *definitely* lost attempting to look into and then fix issues that are only occurring due to it not being an official product...
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I'm very curious as to what difference a few years and the huge upscaling of Steam users in that interim period will do to sales. However, I would suspect that they would still be lower than console sales.
It was quite an unfortunate time to launch: very hard to get any sort of visibility during the Steam sale where the front pages are rammed with discounts. I'm assuming that's what forced them to do a discount on release just to try and get seen.