The fact that you're comparing a company that 12 years ago had a table for a booth at EA with Rockstar and Bethesda shows how successful they have been.
They sold 13 mil at release and the numbers are probably around 20 mil now. And they'll sell more as the game improves and they put out DLC.
As for refunds, they were stated to be around 30,000 out of 13 million so they're fine in that aspect too.
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We're not, though. There's videos of it running just fine on consoles from January.
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There's no reason to. It's not fantastic. It's not the best game ever.
It's an RPG with a good story and decent-good combat. The graphics are probably the best in any game ever if you have the PC for it.
Frankly, RPGs are usually hit or miss with combat ( Fallout, Witcher, TES franchises all have meh combat ) but this one is much better.