emperorbma commented on Intelligence Officer Admits to Congress U.S. Possession of Non-Human Crafts reddit
The major competing hypotheses to the ETH are the null hypothesis ("all natural phenomena") and the Silurian Hypothesis. (the idea humans weren't the first advanced civilization) In this case, "unknown" might be Silurian.
emperorbma commented on Shocking Video Reveals Satellite Truth of Canadian Fires reddit
As I've said, I think "Climate change" is coded language for "the political climate being unfavorable to the ruling class." It sure as hell isn't real because the sea level in 1999 is roughly the same as it is now despite their claims... and Obama+Gore+etc. all buying mansions by the beach.