You may be misinterpreting the meme - it's meant to be intentionally silly, anti-anti-intellectual if anything. "YEARS yet no REAL WORLD USE found for counting any higher than your FINGERS" is definitely poking fun at people who think that higher academic notions are useless.
Also, if it’s a parallel to Earth, I guess we’re supposed to assume that the Christian underclass eventually takes over and are just as bad as the formerly pagan Romans they added into their fold.
Oh, Dubya DEFINITELY fucked shit up and set things in motion. He is one of the worst presidents, just above Ronald Reagan. But Trump, tied with Andrew Johnson, has him beat, I hold.
Dubya's Iraq delusions cost thousands of lives and trillions of dollars. But Dubya didn't threaten the fabric of our democracy, nor did he encourage internal divisions and hatred.