I did some rough figuring last night, and I'm pretty sure that my Father and I loaded around 22,000 rounds of 12 gauge ammo through ours.
Sorry Mike - I shoot that much in one year. I had the LLA - it lasted a few months before I got tired of the poor construction. My MECs in 12, 20, and until recently, 28 have all gone the distance and then some.
As to adjusting crimp depth, you sound like you do not reload a wide variety of loads and components using a multitude of hull types - if you did, you would appreciate the ability to adjust the crimp to get a proper crimp and seal so as to make sure you got the pressure and performance you were looking for.
Glad your LLA worked for you; however, MEC is still the baseline of quality machines