In all honestly, I would love to be able to buy off the rack more often.
But finding a 48S with a 22 inches in the shoulders and a 14 inch drop is next to impossible, expect for the odd casual sport coat.
If you can get a great fit OTR and then get it tailored to fit perfectly, go for it.
I'm just stuck with impossible proportions.
If anything, this thread has convinced me to try Charles Tyrwhitt.
I usually go TM Lewin and Thomas Pink, but I can't ignore the good stuff I'm reading. So, I'm guessing the thread has had the exact opposite of the intended effect.