The really sad thing is that if Lucas permitted a transfer of the Technicolor print to Bluray, there would be buyers, so marketing is missing an opportunity purely from the hubris of one man.
Star Wars should be a test case of why ownership of an artwork such as film should be transferred to the people, after all costs and a reasonable return on investment are recovered, instead of residing with a single person effectively in-perpetuity.
As a member of the public, I feel held to ransom over the copyright antics of the studios, when each and every film is a collaboration of an army of people.