No offense, but you're sounding like Troika's customer service in regards to Bloodlines' problems. "It's not our fault, it's your fault for having a crappy computer".
Sorry, bad disks are still Lucasarts' fault, whether or not someone is "lazy" about returning the disk.
I suggest you read the X-Box forum to see that I'm not exaggerating and that you're simply being blind about how stable the X-Box version is.
Word to the wise, just because YOU didn't have problems with the X-Box version doesn't mean there weren't others who did.
I didn't have a single problem with my PC version, but I'd never be so arrogant as to suggest that anyone who had problems with the PC version is just too "lazy" to return it or too imcompetant and needs Lucasarts to come to their house to install it.