I have. Had no issues with any purchases. That being said, in most cases, active user/customer base is a fraction of total user/customer. It costs nothing to register an account. Transactions still cost money.
For example, I have an Amazon Wishlist. I’ve bought maybe one thing on it in the decade plus I’ve had my account. 99% of the time I use it to earmark things I can come back to look at later. I don’t necessarily have any inherent interest in purchasing what I put on it.
Athletic Performance Lab (APL) and Hoka. Many styles and colourways from which to choose and they’re made for comfort. They’re very popular amongst healthcare professionals who are on their feet all day, everyday.