[quote=@Spiffy]
Is humanity still around or is everything taken over Terminator style?
[/quote]

The latter. If you're not a machine in the Machina Faction, your life sucks. The only reason Bastion isn't being beat up every day by robots is due to Eos.

[quote=@The 42nd Gecko]
Mankind as a species is pretty irrelevant to the Machina faction...but are otherwise "Eh, we keep you around for the lulz."
[/quote]

This.