Were it "just like others with their markup", why would people pay more for the same thing?
:) True! But for $10 I'll live with it.
People are weird. But that is fine.
To me, the AirPower mat seems like a really hard thing to make. Qi charging needs concentric coils, but AirPower as a Mat needs a reconfigurable matrix to do what it needs to do.
That is like asking why are people buying lightning connector from Apple where there are cheaper options.
Same reason people buy $1500 plastic Louis Vuitton handbags and belts.