That's a very old hat. What has Cyanobacteria done lately, as in the last billion years? Reminiscing about the glory days? We are the future (of screwing things up).

Kids these days don’t appreciate the classics.

There might’ve been other sludges, but no-one ever tried ‘em.

https://m.youtube.com/watch?v=CSX1jNPtNBU

But that was billions of years ago! Cyanobacteria just peaked early. Give us a few more years, and I'm sure we'll catch up splendidly.

Give us a few years? Sadly…