Actually Vaccines preventing millions of deaths is

a theoretical "estimate". Not a fact.

If you want to talk Science then best to do so accurately.

Conspiracy theorists do read a lot and debate a lot too.

I wish others did as that's how you learn.

Reading is the pre-requisite to any education.

Debate is how we challenge and test our understanding.

If you want to pose an argument, be specific and use substance. Then allow for debate. You might be surprised what you learn.