Actually, XI's maps are a bit bigger, but there's a reason they can do that and it's the same reason that had people complaining in 1.0. Copy-paste. XI makes heavy use of it, they just switch it up so that it's not as obvious. 1.0's zones were huge in comparison, but they weren't as clever with the copy-pasting allowing people to literally count it's uses. Yoshida asked players if they were okay with that in 2.0 and not a one said yes. So, instead, we got 'smaller' zones with very little copy-paste. The masses spoke, Yoshida listened, it's our own fault if we think the zones are small.