On the flip side it makes a company seem sparklingly inept when they use VOIP as a method to filter valid users. I haven’t done business with companies like Netflix or Uber because I don’t feel like paying AT&T a cut for identity verification. There are plenty of other methods like digital licenses which are both more secure and with better privacy protections.
I wish we could all agree on a better way of auth -- but unfortunately this is all we have. Asking normal people to do anything outside of phone number or email (or 'login with [other account based on phone number or email]' for auth is basically impossible.