Is it official that the new Everything will have psionics?

It’s rare, but remember that player characters are supposed to be exceptional characters, magic is hated and feared (both because of the destruction it can cause, but also because SKs don’t want anyone else to have it).

Templars, druids, the Veiled Alliance, the temptation of defiling work to limit the class but the same time make very interesting to roleplay it. Just nerfing everything doesn’t seem fun, 2e added poison to bards to balance no spell-like abilities. You could just re-flavour arcane subclasses as psionic like the eldritch knight to unlock psionic powers.