Why do people assume there would be "legal complications?" Why the assumption that they just took what they wanted without licensing? They're not obligated to i

Why do people assume there would be "legal complications?" Why the assumption that they just took what they wanted without licensing? They're not obligated to inform us about these arrangements, the licensor has no interest in disclosing what its licensee is up to, and the licensee can say (or not say) whatever it wants.