Id say the biggest problem with this reasoning is that these protests do not save millions of people, and that that number would be easy to reduce, that the only reason that those occur is that nobody fancies doing anything about it.
Yes, you’ve inexplicably stumbled upon the very reason these protests exist in the first place, while simultaneously not getting it AND ALSO setting the bar for success at the protestors themselves accomplishing what governments and oil companies should be doing.
And all because what?
It inconveniences you slightly while our planet and people go off the rails. Nicely done, this is precisely the type of thing we are fighting against just to get some damn renewables going faster.