Legion is fantastic.
And yes. Is very important execution. I Love Noah H and want see his reinvent Alien more than Romulus ( too i see of course).
But want know. Alien/Noah is universe Alien o not?.Let them explain it clearly publicly.
It is his series that will be in or out, not the rest.
He is no one to decide about the rest.
I'm just saying that if it breaks a lot continuity, it's the series that's out like Legion. And Fox want Legion same universo but Noah reinvent a lot and chague idea Fox.
It can happen again with the Alien series.
In post-production Fox will surely decide this. And is sure than decision is only serie in or out , not rest movies, no prequels.