Originally Posted by
milepig
I've been trying to make this point for years, and I believe this was the original rationale for 2-5-2. Think of it like this (the numbers = number of seats between you and the aisle):
1-0 0-1-2-1-0 0-1
vs.
2-1-0 0-1-0 0-1-2
Twice as many people need to crawl over 2 people with 3-3-3.
But in the 3-3-3 configuration the two people who have to get past two other passengers to the aisle are at least compensated by having a window. I think this may be a fair trade for some. YMMV.