Blu Ray Or 4K? What Is BEST?

It's the eternal battle now. What is better? Blu-ray or 4K UHD? Some might have a simple answer for the question, but others might see that it's less cut and dry than it looks.
Check out my reasoning as to which format is better for the average collector and for more seasoned physical media veterans.
Music By: Karl Casey White Bat Audio
#Physicalmedia #bluray #4kuhd