If 1% of all the things guys brag about were true, we'd have 3-dimensional (fixed-sized, finite) infinity, time travel, sentient machines, worm holes,...

I recently listened to a tech podcast about this company promising sodium-based e-batteries at a tiny fraction of the cost of Lithium. But they haven't provided test vehicles nor even the tech details backing up their claims for the e-battery.
Then I backed out and saw a long list of lies (promises) for different items. Sometimes, I suppose it's just a stupid guy making a ridiculous but honest claim, other times are meant to sabotage a competitor's product, and of course the times to manipulate stock prices. Guys will lie for stock prices, grants.
This is everything of interest I can think of to include here, the remaining boasts and claims I show how stupid they are I put on The Science Guys "Claims" page.