You bet you could turn a tobacco company into something that's a net positive for society in 8-10 years? I'd like to see you try.
No, really, I actually would. I'm pretty sure it would do more good for humanity than working in computer science and donating your spare income to a cause you believe is an efficient use of your disposable income, even if you're particularly well paid or hit the startup jackpot...
I think what he was saying was if he woke up the CEO of a tobacco company and everyone he knew, all of his connections, everyone who worked at his company and, most importantly, the shareholders were on board with his plan... He could then pivot the company into something beneficial.
No, really, I actually would. I'm pretty sure it would do more good for humanity than working in computer science and donating your spare income to a cause you believe is an efficient use of your disposable income, even if you're particularly well paid or hit the startup jackpot...