The EU for example didn't want to risk enforcing reciprocity if the laws regarding the visa waiver program (law says that if the US doesn't enrol a EU country i

The EU for example didn't want to risk enforcing reciprocity if the laws regarding the visa waiver program (law says that if the US doesn't enrol a EU country in the visa waiver program, the EU can start making it a hassle for US citizens as well to enter the EU, similar to what people from countries outside the visa waiver program have to go through). As someone once said: The EU has no balls (and was promptly critiqued on gender grounds which is the more important problem in the EU)