Is this not how DRM works ? If you support deliberately handicapped content distribution platforms with your money do not blame anyone else but yourself
Edit: more precisely playback of DRMed content requires the endpoint to provide the distributor with guarantees wrt content duplication. It works exactly the same with DRMed content in Firefox because ultimately Apple/Mozilla do not make decisions on what you can or cannot do, Amazon Prime dictates that you can only access content if you relinquish your rights to prtscr (that is - the DR in DRM), and you decided to access the content.
Edit: more precisely playback of DRMed content requires the endpoint to provide the distributor with guarantees wrt content duplication. It works exactly the same with DRMed content in Firefox because ultimately Apple/Mozilla do not make decisions on what you can or cannot do, Amazon Prime dictates that you can only access content if you relinquish your rights to prtscr (that is - the DR in DRM), and you decided to access the content.