6.1 - Selfie cam, Twitter integration... yes because of the high standarts people were disappointed
6.2 - More Apexis, some Rep grinds, Tanaan (which was planned at 6.0) and a Raid tier.
If they made "too much" content at the start, they should just have taken some of that content and gave it an update with the other patches. Hell, 6.1 brings another 50 treasures, 5 new Invasions and what not... but NOOOO that would have cost Legion a Raid Tier!