They arrive at an old folks' home Trev: We're going to an old folks' home for lunch?! I want my money back. Wei: Actually, this is really interesting. I've never seen one of these before. Trev: There's nothing to it. Just a bunch of old people waiting to die. Wei: Trev! That's so disrespectful. Trev: It's the truth. None of these old folks' families want to take care of them. Wei: Sad. We also have more and more old people who have to live alone. Trev: I guess it used to be that way here, but everybody is too busy to take care of their folks these days.
It took hundreds of millions of years to produce the life that now inhabits the earth. Given time time not in years but in millennia life adjusts, and a balance has been reached. But in the modern world there is no time.