And this isn't mt76 vs mediatek blobs. Not even the blobs have this stuff working.
wireshark of both:
(BPI-R4 WiFi 7 Manager — LuCI app for MT7996 / MT7988A)
Paying for a "premium" "flagship" router will still give you the same broken wifi7. At best you will be getting "Wifi6E Plus." Note: wifi7 client issues are a thing as well.