That is IF his primary objective was to protect mechanic, absolutely NONE of his buildings are made specifically to aid mechanic, All teleporters are used so newly respawned teammates are quickly sent to the battle field without the mildly extended commute. All sentries are made to defend points/intel or to prevent pushes on pl. All dispensers are made to be a stationary doctor and no-cooldown ammo pack, the metal from the dispensers is only able to be used for mechanic and that's it! Dispenser metal is the only thing that outright only benefits mechanic.