Just $4.25 redeposit fee for Avios awards on partners?

I just cancelled my flight with LAN from Cusco to Lima booked with Avios and was prepared to pay the ($40?) fee.

And then I saw this:

Airline Credit Cards

I have no status with BA.

Airline Credit Cards

I already have the 4,500 Avios back in my account. The credit card used is inactive so maybe that contributed? Is it a hack?

Are partner reservations generally be cancelled with such a low fee now? That would be awesome!