It's beloved among the books. Saying it's as beloved as the big screen Original Trilogy is an exaggeration in the extreme. Apples and oranges.
If you want to talk novelized SW literature that's had an impact on the overall Lucas universe over the last twenty years then you might have a point. But saying the Thrawn Trilogy books are as cherished as The Empire Strikes Back?
[Will Smith] HELL, naw. [/Will Smith]