The only way to "cull all politicians and dirty industry leaders" is realize that wind and solar can't provide base power at rates people can afford. And if people have to spend too much on electricity, they'll vote in new "politicians and dirty industry leaders", like Germany's (and soon France's) return to coal burning.
If we started today with nuclear, we could trivially hit the 1.5C IPCC goal. Hell, we could likely hit it if the world started fracking and moved to wind/natgas plants (like the US is doing rapidly). But at least for now, nuclear and fracking are less preferable than >2C warming to nearly all climate change advocates.
I wish someone would do to the energy industry what SpaceX did to the space industry. Prove to the world what is now possible instead of excuse after excuse of defending the status quo.
Arguably Tesla is doing exactly that. Solar is cheap and available these days, wind is growing consistently. The main issue is smoothing out the spikiness of these sources as they scale to significant parts of the grid. Tesla is the only company I hear about in a real "boots on the ground" kind of way, with notable projects deployed in recent years and a consistent effort to scale those projects up - everything else I've seen is in development, barely started, or vaporware.
If we started today with nuclear, we could trivially hit the 1.5C IPCC goal. Hell, we could likely hit it if the world started fracking and moved to wind/natgas plants (like the US is doing rapidly). But at least for now, nuclear and fracking are less preferable than >2C warming to nearly all climate change advocates.