"knowingly" is meaningless, as otherwise they wouldn't even bother releasing errata lists; it's more likely that they underestimated the severity or their planned obsolescence calculations happened to be more statistically favourable than reality.

https://news.ycombinator.com/item?id=41041855

The link you provided doesn’t match your comment, one of the comments in that thread points out that Intel blamed motherboards during the early stages.