What drugs? The leading causes of death are routine induced, 80% of cancers are caused by your environment, &c.
We have much better things to do with these billions
Yes. Let’s ignore 20% of people with cancer. That’s cool.
Bullshit. Heart disease and cancer (and a long tail of medical problems) cook up with age and kill ~everyone inside ~100 years. If you think that environment and exercise can fix this, show me the person who is 200 years old.
We would have to 100x medical research spending before it was clearly overdone.
Drugs to cure the diseases caused by your environment. It's not as if people are suddenly going to be making perfect decisions (e.g. never getting a sunburn, not eating meat, avoiding sugary foods).