You could have just said you don't care for The Beatles prefer other artists, no one would have any issue with that. Once you started talking about musicianship and talent (as if either are absolutely quantifiable) you lost it. The Beatles were talented musicians, even if not in ways that you (or I) care about or appreciate.
If the AppleTV gets an SDK and peripheral support on the level of other iPhone devices then Blu-ray support could come from a third party developer and Blu-ray player manufacturer.
Alternatively, Apple could support HDMI-in and pass through the signal from any other HDMI device.
Either are realistic, since iOS can already accomplish the former, and the latter is a reasonable solution (Xbox One).
Removing it from the App Store is basically equivalent to that.Would you not say that Apple block pornography from their platform, or politically controversial content?Yes, yes, you can get to it via Safari or other web-centric apps, but the web isn't Apple's platform, and using web apps offers less power, speed and integration, so it's a less convenient solution, as was the main thrust of my point.