I think that the main difference is that the average person reboots his PC at least once a day, and in addition to this a good chunk if not most of your RAM is

I think that the main difference is that the average person reboots his PC at least once a day, and in addition to this a good chunk if not most of your RAM is unallocated most of the time. Combine the two, and the chances of a bitflip actually affecting something important get very low.