Earlier quoted context omitted.
This "envy" story is complete BS. Why should we, as a society, especially help the most privileged and gifted people even more ? It's not envy, it's regression to the mean (everything except societal rules is already going in your favour, how dare it). I also don't think you appreciate the value of instruction as a learning tool and the skills required to truly teach people - empathy, paying attention to cues to keep…
There are plenty of gifted students who are not from economically privileged backgrounds. These are kids who can easily drop out, not just from school but from society as a whole, if they’re not nurtured. I have first hand experience with this, as a former high school dropout, now close to completing a math degree just before the age of 40. The cost to the school system to keep me engaged rather than bored and ignore…
I'm all about making school a valuable, engaging experience for everyone, including gifted children. But it needs to scale and be progressive, not just pile more inequalities and gate keeping into the system.
And if we are talking about the lost tax revenue and the "worth" of education, having the gifted kids teach their peers for better socialisation and so increasing the floor of math and other education will have a much larger impact. Progress doesn't come from great men, it comes from the world changing.