It's all about the Benjamins and reducing the population and CONTROL.
Oh, and panic.
It's always good to create panic to really get things going.
If enough people won't kill their babies they have to make sure they can't make babies.
Some believe their "vaccines" are designed to handle that problem.

Once they get it on the children's vax schedule, the vax manufacturers are free of all liability for any harm caused by the vax to kids and adults.
They're in a big hurry to CYA for anything that comes up down the road.
It's obvious the FDA is more concerned with protecting big pharma than the public. Hard to believe people don't see this.   
There's always an agenda. Like you said, follow the $$$