I dont think they are intentionally lying. I've spent over 10k with spec and haven't had any problems to date. I paid in full for both a rooted and sculpted 2 pack set from them and I am still waiting on my shipments as well. These shipping dates are just estimations and it shouldn't be a shock...
https://www.sideshow.com/storage/product-images/500610FBLK/x-men-a-legend-reborn_marvel_gallery_5d39f315ba9f1.jpg
I got this one by Ian in case you might be interested