BF6 Backfill & Blocked Progression in Portal

This is the MOST FUCKING STUPID thing ever added. I cannot believe they even changed this - for what?

So i can struggle to complete this fucking stupid challenge for destroying aircraft, oh why make life easier when they can make it living hell and make this game as CoD like as they can.

Insane why they removed backfill and why i cannot do Conquest vs bots solo for it to count towards challenges. Fuck this game!