Nothing like that.
"The cycle that empowers and guides solarians is a philosophy that came to the Pact Worlds on the Idari, along with the tradition of the solarians themselves."
- from paizo's blog (https://paizo.com/community/blog/v5748dyo5ljyq?Class-Preview-The-Solarian)
The Kasatha only brought the first tradition of solarian training to the Pact Worlds aboard the Idari and SF1e solarians were interpreted through that lens. We already had solarians moving outside that framework in SF1e with the Broken Cycle, Stellar Mystic, and Electrical Attunement options.
"The solarian contemplates and gains power from the life cycles of stars."
"Whether you apprenticed in a temple or came to your powers through personal revelation, you recognize yourself as part of an ancient tradition — a force of preservation and annihilation."- Core rulebook
A newborn possesses only basic cognition and doesn't have the capacity for any of these. Becoming a solarian is a personal journey, one that requires time and conviction. This has been the way to become the warrior - philosopher we know from day one.
"Whether you apprenticed in a temple or came to your powers through personal revelation, you recognize yourself as part of an ancient tradition — a force of preservation and annihilation."
Personal revelation is listed as being on equal importance with temple training. There are a lot of stories of particularly spiritual people demonstrating remarkable enlightenment improbably early in their development. Dae is clearly meant as something of a solarian wunderkind.
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But of course, all of this is largely irrelevant. These were the exact same arguments that happened when PF2e came out and introduced changes or when the Remaster happened and things had to be removed or changed to ward off WotC's lawyers. Changes happen and the intent is clear. Solarians are moving away from the portrayal as being dogmatically tied to one philosophical tradition in order to open up the wider and wilder universe.
Nothing is preventing you from playing a Cycle traditionalist with ties to an ancient and proud cosmonastery but other players might want to play something else entirely. I, for one, am really looking forward to seeing how solarians change as the dogma is increasingly left behind.