It is well within humanity's capacity to, potentially permanently but at least for tens of millions of years, end the Earth's ability to host macroscopic life. Within a few decades, we'll likely have the ability to end the Earth's life-supporting ability period.
I get the message behind the meme. But unfortunately, our actions have consequences beyond our selves. It's easier to think we're just fucking our own when in fact we're doing much worse.
We’re within a few decades of a global superpower being able to deflect a large asteroid which would, after millennia or even centuries, impact the Earth with enough energy to melt the crust several kilometres down.
We don't even have enough nukes to wipe out the human race, let alone the biosphere. Building enough to would likely need more uranium than we can access with known technology.