STALKER 2 has been severely downgraded

The recent STALKER 2 trailer has been released showing some significant downgrades in not only visual quality, but performance as well. I have some concerns

STALKER 2 Devs Discuss 'Imperfect' gamescom 2023 Demo, Address 'Downgrade' Debate

Starfield 2022 vs 2023 Video Graphics Comparison shows noticeable downgrades

S.T.A.L.K.E.R 2 at Tokyo game show : r/stalker

Is STALKER 2 Getting A Visual Downgrade?

S.T.A.L.K.E.R. 1 (2007) vs. the S.T.A.L.K.E.R. 2 trailer (2020) : r/gaming

STALKER 2 developer asks fans to “stay patient” in wake of data breach

1.5.2] Weapon Cover Tilt (WCT) (UPDATE 14) addon - S.T.A.L.K.E.R. Anomaly mod for S.T.A.L.K.E.R.: Call of Pripyat - ModDB

I do not believe STALKER 2 is downgraded (currently) / Global Illumination is for sure working : r/stalker

STALKER 2 Devs Discuss 'Imperfect' gamescom 2023 Demo, Address 'Downgrade' Debate

STALKER 2 Devs Discuss 'Imperfect' gamescom 2023 Demo, Address 'Downgrade' Debate - IGN

Why do game companies downgrade the graphics upon releasing their games? - Quora