I'm sure some will say this is working as planned, but I thought I'd pass this along, FYI. My wife, son, and I have accounts for FFXIV 2. My son is PS4 only, and my wife and I have both PC and PS4 access. When HS came out, I bought PC access for my wife and I (my son rarely plays). When my wife and I play, we're on PC's. We have DD's over level 50. We're not close to the HS access yet (just finished Praetorium). So, my wife decides she'd like to play on the PS4 (big screen, couch, etc.). She does 2 fates near the Cerulium plant and shots "I'm not getting any XP!". I get her logged into a PC and low and behold, she starts earning XP again. So the way it looks, if you're over level 50 and want xp, you need to be on a system that's authorized for HS. Personally, I think the 60 level cap should be a global update, and not part of the upgrade.
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I think you've been smoking the Moko...
http://na.finalfantasyxiv.com/lodestone/character/350413/
http://na.finalfantasyxiv.com/lodestone/character/1628942/
http://www.nerdist.com/
Angus of Cerberus (retired)