Did you know that when you agree to Etsy's Terms of Use, you agree never to join in a class action lawsuit against them, no matter what they do? At least, that's how it used to be. Until very recently, Etsy had a mandatory arbitration clause. It stated that by using their service (or continuing...
Why YSK: You should know that you can protect yourself as a buyer or a seller as anyone who uses Etsy. It's a very popular sales platform and they're making some changes to prevent class action lawsuits against any shenanigans they might pull against buyers and sellers on the platform. You have the ability to opt out of this to protect yourself; the linked article explains how to do this.