I don't think it translates a will to be unfair, but rather, a side-effect that once an API is public, you have to support it publicly (and that's a lot, lot of

I don't think it translates a will to be unfair, but rather, a side-effect that once an API is public, you have to support it publicly (and that's a lot, lot of work and money on the long run). If the API is only "public internally", that means a lot less friction if they need to improve it.