It was a rough spot. Even on here there was a good period of time where you would be lambasted for supporting the PT and not falling in line with the Plinkett takes on them. That started shifting just before the ST was coming out as the younger kids started getting older. It's not uncommon to see a 20 or 30 something say their favorite is Revenge of the Sith or something like that.
That said, if they were going for OT fans, they were better off just having a story with Luke, Leia, and Han to cap the series as those are the characters those fans are draw to and they weren't going to want a next gen replacement.
It seems more like Disney was
1. Trying to minimize the PT and distancing itself from it.
2. Turn up notsalgia of the OT and use those characters to have a built in audience full of goodwill.
3. Really focus on new characters that they felt they could sell to modern casuals.
Like the last film, they tried to please everybody and pleased nobody. The Prequel fans were coming of age and felt spurned, the OT fans didn't like seeing their favorites faded out and a story that made them less important, the new characters were simultaneously never able to get out of the shadow of nostalgia Disney was banking on. For better or worse, in the PT trilogy, George basically said "it's about Anakin, Obi Wan, and Padme, they are the stars and it's 100% about them, you aren't seeing Han around, and Luke and Leia are a small cameo at the end". Yoda was really the only major character that carried over (technically Obi-Wan but McGregors portrayal was very different).
More importantly the biggest flaw of the Sequel Trilogy is that it didn't add anything new. The OT established the universe and pretty much all of the hardline tropes. The PT did some major universe building, defined the hierarchy of the universe from the Senate, the Sepreatatists, the Jedi Order, the Sith rule of two. It let you know that Coruscant was the primary world. Things like that. The sequels were basically just rehashes. Jakku was basically nu Tatooine, the Resistance was just nu Rebel Alliance, First Order was nu Empire. Anything interesting like the New Republic or Luke's Jedi Order was either destroyed pre film or was destroyed in the first film before we ever had a chance to see it. It was a effectively a rehashed Death Star Plot, the Rebels being chased around space, then Palpatine coming back to ham it up before being destroyed.