Why did Bill Gates Switch from Software to Vaccines?

Vaccines are the most profitable industry in the world since vaccine companies are not held liable for all the damage and death they cause. We are human guinea pigs to Big Pharma as they rush to market untested vaccines. After all, why bother testing vaccines when there’s no liability for damages? And millions of brainwashed zombies that actually believe Big Pharma cares about their health and well being.