I don't know, perhaps over the next 1000 years we don't reproduce enough, because we're sitting on the internet typing on keyboards. Very possibly we haven't invented it yet.
The threat of nuclear annilation has gone down in the short term, but can you tell me that in the 500 years there won't be another standoff between powers like the cold war? We might not Nuke ourselves but have would India and Pakistan nuking each other be a good thing?
Pollution has gone down for now, but a civilization wide systems collapse similar to the Bronze Age Collapse, only with nukes, pollution, new diseases, lack of confidence in our society etc create a thousand cuts. Yeah, we might have survivors but with all the new ways of killing ourselves, we as a species might not make it.
I skipped to four because it had the relevant points.
Out there, people are starting to move. People are questioning our leaders, need I go on?
I think the point is, if we don't rethink how we do things, we're begging for our own destruction.