That’s what they’re saying. Basically:

Either no one’s gotten it OR we broke it"

Pierre there isn’t saying it is broken, he’s saying that that would explain why they haven’t seen it yet.

The Steam Deck’s APU is based on Zen 2, the Z2 is based on Zen 5.

Well, “Z2 Extreme” is, as you noted, Zen 5 based.

“Z2”, though, is anything from zen2 to zen5, depending on the specific SKU