There's a lot of different details coming out in this thread, but I think it is very important to realize that at different points in time, there were different ideas and plans and that they constantly change. And cool sounding things don't always get approved and funded. And thing that do get approved often get cut or value engineered.
That said...
The original plan sounds great... but if you read the part about being near Star Tours, I imagine the original concept would not have been a full, separate, immersive land (kind of like the original Imagineering plan for Harry Potter was a mini land in MK) ...
At the D23 in 2013, they teased Star Wars the parks presentation:
I remember distinctly in these parts that the earliest plans that were approved or considered at that time for DHS were indeed in DHS... and that most insiders were disappointed by them. It was basically theme to Tatooine, keep Star Tours, build a cantina like Mos Eisley, have an indoor Jedi training (with an AA or force ghost Yoda) and have some M&Gs. Oh and lots of merchandise.
My
guess is that what Cockerell is talking about in that interview is from this timeframe. And I suspect that those Tatooine ideas were all just bluesky ideas that could be implemented and never got to the point of funding/approval/etc
Somewhere along the line before the big 2015 D23 announcement, these plans were sent back to the drawing and (reportedly) Iger and other in leadership wanted something much more bold and impressive for their new toy. That's when Galaxy's Edge was developed and approved and what we got lines up very much with the 2015 concept art and plans publicly announced (though with cuts
).
Even after the 2015 D23 announcement, the plans for DHS were to use Echo Lake, but sometime shortly thereafter they were shifted to Streets of America and LMA/Backlot Tour. The reason for that IIRC was that it could be built more quickly and open closer to the time of DL (since Galaxy's Edge was designed for DL and was being cloned/adapted to DHS).
I'm confident that most of the ideas that
@WDW Pro is bringing up indeed existed and were real... as concepts, not as approved plans. And sure they sound cool but WDI always comes up with ambitious awesome sounding ideas that never get approved or get downsided once the money guys get a hold of them. I'm extremely skeptical that anything "more ambitious" was approved and changed.
That said, Kennedy recommending a shift to the new trilogy as a setting and not copying a place from the OT? Sure, I think that's quite likely. I also don't think that it it intrinsically a bad idea especially given the excitement that was palpable in 2015 for The Force Awakens. I actually think that trying to get ahead of a popularity wave be a part of ongoing storytelling was a bold move and the kind of move that I think Disney doesn't do - instead relying on nostalgia too much - but the failure in that would be the problems with the ST film execution not the idea of the land being set during that time frame.
I also think it was foolish to not incorperate the OT more in the land (Jedi temple or Force sensitive area allowing for Force Ghosts or old characters, using R2-D2 and C-3PO, etc). Perhaps that stuff falls on Kennedy and if so then yes she should have pushed for more inclusion of the entire saga history.