I consume WSDLs and produce OpenAPI very regularly and you're very right that we've reinvented the wheel. On the bright side, REST APIs are much easier to work

I consume WSDLs and produce OpenAPI very regularly and you're very right that we've reinvented the wheel. On the bright side, REST APIs are much easier to work with ad hoc and Open API (not sure if this is really because of the format or we just care more now) often has better associated docs.