Extinctions are evolution in action. Are we worse off because Tyrannosaurus Rex or Stegasaurus no longer roam the earth. Likewise Hynenadon, a ten foot high, 1000 pound canine is no longer around, not is the much later canine species Lupus Dirus (the Direwolf, they’re not a fictional creature in Game of Thrones, but were once real and about twice the size of a modern wolf.
But were these creatures killed by natural forces or did they in fact survive by adapting so well to environmental changes they became something else?
The Extinction Rebellion people may well become extinct because they are self — righteous, self regarding virtue signallers, and self righteousness is incapable of changing.