Why have countries committed to development targets they might never reach?

In short, not achieving each education target in its entirety shouldn’t be passed off as failure.  The new GEM Report shows that even modest progress in education over the next fifteen years would have huge consequences for many other areas of development. If education progress stalled, taking with it improvements in community preparedness, deaths due to natural disasters would increase by 20% per decade. disaaster-deaths
Meanwhile, if we somehow managed to universalize secondary education by 2030, we would lift 60 million more people out of poverty. Just educating women to lower secondary level in sub-Saharan Africa would prevent 3.5 million child deaths between 2050-60.   If that’s not motivating, I’m not sure what is.