I'd be screaming mad if someone built me a rifle where I couldn't hit the lands and fit in the mag box.
Someone didn't ask the right questions.
Over time, I've developed a preference for a shorter throat, for a couple of reasons.
1. I usually shoot light to midweight bullets in all my chamberings. That's just me. I have tried big bullets as well, and they shoot. I've found out the room in the case for the slower powder from deep seating isn't that big a deal.
2. Throat life. I had two excellent barrels that shot great up until the day the throat wore too long and I couldn't chase it any more. One was set back and rechambered in another case, and I can reach the lands again -- but it was a conventional reamer.
The other barrel is in "reserve" and I am going to put it on an AR I have that never shot particularly great. It will be in .223 with the throat separately cut as short as practical.