I sincerely doubt that you will find any feedback here that will actually address your basic question. Changing an effect here or there will not make you appreciate the movie more. Alternate musical cues will not result in a sudden epiphany. Blood and nudity will certainly not do it.
I don’t know your particular age or background but I find that many people who did not see ESB when it came out do not put it on the same pedestal as do many of us. IMHO it’s because Star Wars ushered in a new era of kid fantasy movies. Prior to that we had… well, not much - Superman the Movie and Star Wars. Star Wars also revolutionized the toy industry so we also invested ourselves in a way like never before as we created our own new adventures with our heroes (ironically toys ultimately became the downfall of good filmmaking in Star Wars for decades to come). We had never seen anything like it… I imagine it was something like witnessing the emergence of rock music from the crooners of 1940s.
And of course ultimately it comes down to what you value in a film. Of all the films ESB arguably has the least “spectacle” going on, but also has the best character development and dialogue. Other elements of what made it so great have been watered down over time. When ESB came out it solidified Darth Vader as the ultimate screen villain, a menace that would kill any officer who disappointed, and who would beat our hero from one side of Cloud City to the other before chopping off his hand and telling him that “I f*cked your mom”. Today that reveal has become a punchline, but back then even James Earl Jones thought that Vader must have been lying.
Ultimately some movies become “great” because of the times is which they were born. Nowadays Elvis isn’t cutting edge music, he’s “oldies”. I think ESB is like that, and maybe because you didn’t experience it within that context that you don’t view it the same. Nowadays there are MANY great sequels. Back then there was only Godfather II, and that wasn’t meant for us kids.
Sorry if I’ve incorrectly profiled you… I feel that my point is still valid based on my experience with others.
Just my humble $0.02.