That's truly one of the worst things about brain drain / educated people moving to the imperial core countries for the high salaries. Global south countries really need educated young people helping to solve their own problems, and Canada and the US rip out their heart and soul.
At least in tech / programming, a good chunk of us are devoting most of our labor time to not just wasteful things, but actively harmful things, like trying to get people to click on ads, or increasing viral engagement.