Originally Posted by
intuition
Exactly, and that is why the quoted Hfp discussion was odd. I read it like AY and/or BA did go to lenght to make sure "avios can only be transferred between AY and BA", as that has no connection with reality (as of today). Either the blogger has no idea what s/he is writing about, or they know about something going to happen that isn't currently in the avios exchange system as of today.
I think that’s just an unfortunate way of expressing that that the combine my avios frature will only work with BA. I have the same limitation on my IB account. I can only transfer to BA, but once they are there I can transfer to QR.