There are several factors at play here.
Nostalgia, Mythology, Gameplay.
Gameplay:
The gods need to be somewhat balanced. Not perfectly, but somewhat. But that can be achieved by balancing the individual gods. By doing that, switching up what gods are available changes available tactics, but no combination is worse by default. So, tactics need to coplement and counter each other, and it needs to be possible for every god to counter each possible tactic at least somewhat.
A god that can counter one tactic extremely well, but has little means to counter against two others can still work, if his limited means are still viable means, as limited as they are.
As soon as thereâs a God thatâs perfect vs everything, thereâs never a reason to pick any other God, and if thereâs a God that sucks against everything, no matter what, thereâs never a reason to pick it.
Nostalgia:
People who played the original for decades love it, know it very well, and will struggle to let go of their favorite strategies.
To them, the destribution of god powers, technologies and myth units is exactly how it should be. The Hathor â Sobek change was already controversial, and that was just a name change. Turning Gaias depiction into a female Groot is something that got attacked hard. And thatâs a portrait and model swap, no change in gameplay or lore. Just aesthetics.
Swapping out an entire minor god would be a much bigger change. It would be rejected hard, even if itâs more mythologically accurate and doesnât break balance.
Mythology:
Persephone is Demeters Daughter and Hadesâ wife. So it would make absolute sense to have her accessible to both of them. No reason to give her to Zeus or Poseidon.
Zeus has Hera as an exclusive, since sheâs his wife. Loki has Hel, his daughter, as an exclusive.
And each of them have a very strong gameplay synergy with who the mayor god is.
But then Freyr gets access to Hel, breaking Lokis exclusivity, and gets exclusivity on three new minor gods he isnât even that closely tied to, in mythology.
That brings up the question why Set worshippers have access to Horus.
The minor god also very often doesnât match their myth unit.
Why does Dyonisos get Hydras and not Satyrs? Why does Athena get Minotaurs and not Gorgons (/Medusae)?
Shouldnât Hydra and Argus be Heras? Why does Freya give us Valkyries, and not some sort of giant Cat or Lynx? Why does Freyr not get any access to Elves?
From that perspective, it would not only make sense to reshuffle the gods entirely, but also to redefine them as well.
Why is it important for Hades to have access to Athena? It isnât. But it makes no sense for her to be accessible to Poseidon, since the two are rivals and donât like each other, and it doesnât make sense for her to be exclusive to Zeus. Does it make sense to deny Hades access to Persephone? She is, by definition of who she is, with both Demeter and Hades. So no, it does not make sense to make Persephone a demeter exclusive. Just as it makes no sense to make her a Hades exclusive, when Demeter exists.
So, the Devs have three routes to make:
- Swap Persephone for Athena in the Hades tech-tree, but only for Demeter DLC owners. Leave Hades the same for non-DLC owners and people wo deactivate the DLC, effectively creating two versions of Hades, and make Athena the choice next to Persephone for Demeter. (What Iâd personally prefer)
- Make Persephone a Demeter exclusive, leave Hades as he is, screw the mythology, nostalgia all the way. (What I think will happen)
- Not add Persephone at all. Neither for Hades, nor for Demeter. (The option I think would piss the least people off.)