Manbearcat
Legend
I think it would be a pretty terrible idea to put Sorcerer and Warlock under the rubric and portfolio of a Mage Tradition or subclass. They're entirely different beasts (from each other and from the Wizard) thematically, mechanically, and physically from the Wizard/Mage. The extent of their overlap consists of arcane spellcasting, exposure to arcana, and Warlocks being entrenched in occult/forbidden lore. Either as "a collection of player assets to deploy" or "a career story", they are further from the Wizard than the Ranger and Barbarian are from the Fighter and there are separate classes to differentiate those two archetypes.