I’m in favour of the inclusion of the Imperial March. This project has often called itself ‘what the special editions should have been’. They’ve never been particularly purist; they’ve been about bringing up the originals to a lovely, more modern standard. Vader in ANH was a lesser villain, yes, but his character was more striking than Lucas anticipated on ANH’s release, so much so that the saga from that point grew around him. Whether or not Lucas/Williams paired Vader with the Imperial March on his first appearance, the two are now paired. It’s entirely appropriate that a project that seeks to polish the original trilogy pair the two in ANH retroactively.
My thoughts exactly.
This explanation really is spot-on.