It was explained 15 years ago. Same reason still applies. It reduces the impact of spec choice.
For the love of everything stop asking the same question.
Nobody ever said anything about whether it would âworkâ or not, weâre discussing if itâs the right thing to do given the context of what TBCC isâŚagain with the utter strawmans.
So far Blizzard has taken a pretty clear side for what they think.
Other than the major class changes, talent tree changes, content being designed differently, specs losing identity, buff and debuff changes, changes to how healing tanking and dps work, spell rank changes, exc.
Nah nothing at all changed between tbc and worlk that would cause dual spec to effect the game differently /s
Simple, tbc was intentionally designed with the design goals that said NO to dual spec.
All of these changes were made to transition the design goal intentions of tbc, to the design goal intentions of wotlk, which focused on bringing the player, not the class or spec. This devalued specific specs and made spec and class choice far less important and instead focused on roles of dps healer or tank.
Dual spec devalues spec choices as well as it makes the choice less impactful because you can flip a switch and change your mind.
The changes to the talent trees and the base classes also devalued spec choices because a lot of talent power got put into the base class instead.
Gear got changed to be more flexible for constant spec changing as well with healing and damage spell power just becoming spell power.
Spell scaling got changed to not care about downranking/discourage it.
All of these things are effected by talent choice and by extension would be effected by dual spec.
Dual spec was part of the equation of the design for wotlk. It wasnât part of it for tbc and will have a different effect on tbc, because every aspect of the game is different.
Think of it this way.
Dual spec is mentos.
If you you put it in water it doesnât do much.
If you put it in Coca-Cola it reacts a lot.
Tbc is the water. It doesnât have all those feel good changes of of sugar, syrup, carnonation, exc.
Wotlk is the Coca-Cola. It has all the convenience changes being added to it for sugar and taste good syrup that moves away from the rpg âinconveniencesâ that tbc is designed to have.
Dual spec in tbc will react differently than it did in wotlk, this is a fact. And we already know it has negative effects on the design intention goals of the game.
Anything would âworkâ in tbc. Doesnât mean itâs good for the game.
We could add titanforge to tbc. Doesnât mean it would be good for the game seeing as the design goal intentions of tbc had no intentions on gear being able to upgrade itself.