Like, we’re destroying the one place we know is a sure bet on where we can prosper if we keep it healthy, but instead the world’s richest man is trying to expand to other planets while this one’s ability to sustain life is in jeopardy. IMO that makes us potentially a very stupid species compared to a species that doesn’t really care about meeting other aliens because they value the life on their own planet far more than we do.
Maybe. But this would still only filter some.
The great filter to me is a vast mix of filters. Sime never leave their planets because they are oceanic only and forever, some because the gravity is too high to ever escape, some because they die out, others due to no genetic intrinsic motivation to expand at all, etc. There can by myriad possible filters all applying at the same time