In my professional opinion* that is not an acceptable standard and I’d be asking (nicely) for a full refund. It doesn’t really matter how much it cost if you are not happy. The paint on the corners will not be protecting the steal and it’ll rust pretty quickly losing what little cosmetic appeal it has as well as probably shortening the life of the frame unless you get it re-coated. Said as fan of on-one as I own and inbred and a 456.
As someone mentioned above, it looks like a badly formulated paint, it’s too thin/ poor thixotropy and has not covered the corners.
*Professional paint chemist for a number of years with NACE CIP qualification (FWIW). Edit: should add these views are my own.