Aeros as a handling skill still have their place on EFT/BFJT, well certainly on EFT. I imagine the combat manoeuvres will filter back to to BFJT when the MFTS syllabus gets pencilled. If you're worried about a lack of AC performance knowledge and gate height awareness have no fear as the BFM syllabus covers it. Rolling/looping scissors or an aggressive transition to rate will test any of those aspects all whilst looking out the window and not flying IF Aeros as was the accurate method on the T1.