There’s only one big accounting firm left, what are you going to do, fire them?

Green hydrogen only works when you have more energy than needed and you’re 100% renewable electricity. You could have done that with nuclear power in the 60s in theory. But solar in abundance is the only likely route it will work.

No one does is the point, because it’s typically not needed.

Laser is completely different than reflected sunlight. The essence of laser is a very tight narrow beam.

Taking the appropriate dose of ivermectin for your body weight should be fine, it’s effective at getting rid of parasites. And doctors really aren’t the thing for that, unlike vets they’re not really checking if you have parasites since most people don’t.