Then we're arguing for and against two very different things, dude. I think that this is the only way that the Cyclops that exists in your pitch can work in the MCU and serve the story. If the character is not a lead but a supporting beam for a younger group of characters who are the main protagonists of the story. Cyclops and others play the sage-like mentor i.e Hank Pym in THEIR journey to self-discovery.
I'm not there for that idea but at least it makes some semblance of sense for why and how Cyclops would exist in that form in the narrative of your story. Many other pitches I've seen champion a mid 30s MCU Cyclops as the lead -- seemingly nescient of how it makes no sense.
Your story would still be a Harry Potter-esque coming of age centered around a group of kids trying to find their footing in the world. The only difference to my pitch and
@DrCosmic pitches is that Cyclops & Jean are Gandalf and Dumbledore instead of Harry & Hermione.
Your idea of what the MCU X-Men should be is not that different from mine in concept.