The work or complication from adding actual summons isn't as easy or difficult as people assume and server stress is a load of bull. 40+ people with summons out? People have been doing that with chocobo's since 1.x - when they had Choco Meteor as an attack. Or how about that ffxi can handle it despite being released during the PS2 era and being limited by PlayOnline. The real reason is because someone in leadership wants the egi system they have and it's insulting.