Using the word learned in the title is perhaps a bit strong.
We feel very differently from OP. After many visits to both parks over the years, we NOW feel US is the better experience and better overall value.
Express Pass is SO much more relaxing than current FP and ADR's. With EP, we come an go as we please. With FP and ADR's we always feel like we have to rush to be some place specific at a specific time. US feels relaxed, WDW feels hectic.
HP is a home run; New Fantasyland was a dud. I hope the coming WDW additions are better, but I'm not holding my breath.
Our Experience with EP vs. FP was also very different. Many of our FP+ waits are 30+ min, but our EP waits are almost always 15 or less.
We've also lost track of how many ADRs we've experienced. We do our part, and rush to arrive on time, but WDW doesn't do their part. Our last ADR, we AGAIN waited over 60 min PAST our ADR just to be SEATED, plus another long wait before we had any food. THEN we paid an absurd price! At US, we make reservations less than 48 hours before we want to eat, we're always quickly seated, and the prices are much more reasonable.
US appreciates our business.