Employer often selects the arbitrator and is therefore a repeat player. This sets incentives for the arbitrator, no matter how fair they intend to be. Also, pr

Employer often selects the arbitrator and is therefore a repeat player. This sets incentives for the arbitrator, no matter how fair they intend to be. Also, pretrial discovery is much broader in a class action, so much more expensive. The procedures available to a plaintiff in an arbitration are much more limited. But big picture, it’s better to have more options rather than fewer.