I disagree. I used face recognition kiosk at SFO in September 2022, which let me through without a problem.
The issue is when older kiosks are used, asking to scan document in addition to face recognition. That's when expired GC and extension letter are not accepted by machine and you need to see an officer. However, even in this case Global Entry "works". Because technically, you may still save time by using GE vs standing in long line at busy airports.
I've seen those, but they are not as common as GE lanes.