I'm tired of the weak arguments of Summoner was never this in other FF games. Maybe you should go back and play all the titles again because clearly you didn't even know what Summoner was through the many titles.

FFI and II didn't have summoner
FFIII had Sumoner; a Mage job that would cast magical beast either provided offense or defense effects.
FFIV was a Black Mage / Summoner Hybrid so yea, Rydia could cast poison, bio, and virus.
FFV Summoner; a Mage job that would cast magical beast either provided offense or defense effects. On top of that players could subjob BLM, RDM, WHM
FFVI through FFVIII; players equipped summons to learn spells and abilites
FFIX, FFX, FFXI; Summoner was a White Mage / Summoner Hybird
FFXI, FFXII & FFXIII; Summons were pet like

So surprise, Summoner comes in all shapes and sizes. FFXIV was all about management, might be why they had books as weapons.... You had to manage your MP, your Aetherflow, your Pets, your DoTs, what targets to attack. Slowly SE's brilliance has chipped away at concepts many SMN mains enjoyed. I wonder if all the people who say they welcome these changes are also going to the ones to drop the job they currently play and main Summoner 6.0.