increased drops
They already did this and they increased it by a lot. HIGHLY noticeable diff than before that patch.

I've gone in as multiple different jobs and only been ranked in top 5 a hand full of times, seems that DNCs BLUs and RDMs get ranked highest, even after going as MNK and using 2hr and spamming items and TP and abilities....
It's based on the campaign exp system.

There's a point cap for physical damage.
Magic damage.
Enfeebling.
Taking Damage
Etc.

Rdm dnc blu pld nin/dnc, etc. will always rank over a mnk if they know what they're doing, hit each of the respective fields and cap them out.

Using 2hr for example will do nothing if you already reached your point cap for physical damage.