The review was written while the game was still in development.
In HL Alyx, there was a literally screaming sequel moment at the end. Eli handed the crowbar to Freeman. HL3 will definitely come out. I'm sure Valve understands its responsibility.
If it takes another 5 or 10 years to exit, then I don’t mind at all. If the sequel turns out amazing and doesn't disappoint. Then I’m ready to wait at least another 10 years. If only there wasn’t any narrative nonsense and other schizophrenia. As a fan, I'm kind of worried about this.