Their economy sucks, their population is declining, which means life in the future will be even more miserable. But the political issue they care about is access to their damn opiate.
Some people deserve what happens to them.
There's one very easy way to correct for lower levels of fertility: Higher levels of immigration.
Europeans, like everyone else, have a moral responsibility to put the pressure on the earth and its resources as low as possible. The most effective way of lowering this pressure (even more effective in fact than environmental taxes) is by encouraging lower levels of fertility.