S|A is known for these ranty opinion articles - and dislike of Intel. On the other hand they do seem to have access to a lot of industry insiders and break important stories all the time.
Specifically I know a lot of industry insiders have a dislike of some of Intel's practices. When S|A talks about them, S|A knows to take the "ranty" tone, as a means of signalling up front to readers, "Hey, this isn't going to be a bland slide presentation..."