No Nameable reason would be a better way to phrase that, and I do believe I have one.
The Way of Kings, WoK really give Shallan two big disadvantages
We are introduced to Kaladin first and the narrative is mainly focused on him. Which causes Shallan's chapters to feel like distractions rather than anything meaningful
It takes Shallan 100 pages to even reveal a plan, and then takes another 564 pages before she even does it, which feels realy stale.
There's a nice video looking at the negative community reactions I think you would like
https://www.youtube.com/watch?v=jJ6Ymy2ZbDQ