Random Query: The Trinity System

[Kurogaea]

We have the trinity as basic system but we have DPS with high survivability, normal DPS and DPS which can heal ingame.
This is what i mostly see in my runs, perhaps the difficulty of the dungeons is just to low so the trinity just don't work like intended.

You know, if the companion system was implemented at the beginning of the games development, healing classes could be just healing ones instead of healing/dps. Or if we all....GASP.....If we all started as plain characters that can equip basic weapons (to handle PvE overworld stuff) and use job stones to change our entire move sets we could've actually had a full on trinity system in dungeons and raids :O