I mean, that's also fantastical. Let's plan for 100+ years of linear growth, while side stepping the 50-100 year looming crisis.

Like I admire the longterm vision. I'm also a giant space nerd and think this is soooo coool. I just feel... bleh about it.

I mean, I guess if we get better space launch and space fabrication, we might able to get some sun shields in place at a reasonable time.