> “why don’t they” is “money”. More likely "trust". A purpose build instruction with a black box implementation on hardware that has its own hidden OS with dir

> “why don’t they” is “money”. More likely "trust". A purpose build instruction with a black box implementation on hardware that has its own hidden OS with direct access to the network is one issue. The fact that Intels CPUs are a bug riddled mess that have been a significant headache to anyone caring about kernel and application layer security is another. Who needs security if disabling all the mitigations makes you look great on benchmarks.