dangerous, outdated and dangerously outdated.
Apart from the fact that modern systems are way more limited by memory acess speeds (mainly by acess latency) than raw CPU clock speed, most of the tips simply do not apply to modern CPUs.
Searching the company's website, there is no mention whatsoever of even a single gallon of usable fuel being susccessfully produced using their method. There is, of course, mention of "investment opportunities".