You are free to make an anti-ECW if you like.
You might make better click revenue from ads for real products. Maybe even get commissions from sales of various heaters using mundane technologies.
Too much competition already exists in these fields about real products.
In the energy scam field risks are minimum, when the scam comes to light he will say: "I trusted of what the inventor said".
(In most countries there are laws about truth in advertising that apply to all ads, even those of scoundrels on obscure websites. The hard part is getting anyone responsible for enforcement to do anything unless a dozen children or a celebrity choke on a product, etc.)
The Steorn's Orbo hoax demonstrates the lack of effectiveness of these laws when for example applied to energy scam products.