I found it neat that it really can make use of all the cpu and memory you can throw at it. I used it to stich around 1000 photos, and watched as it maxed my 32 cores and 64gb ram in my workstation for hours.

I wanted to annotate a map of my property to keep track of the fruit trees I am planting. Google maps resolution for the area is extremely low, but a basic DJI drone, pix4d capture (free for capture) and ODM can give you a nice detailed imagery with very little work. The difference was being able to see a stand of trees vs individuals.