One question, not knowing much about the Bus:
I've read the previous post and I wonder about you're ideea of not being so safe if flying selected due to possible low energy.
What will you do if flying on a busy airport, with high winds (for ex LHR ) and APP instructed you to maintain 160 kt? As I understand ,if flying managed , higher head wind will give a commanded IAS of maybe 175 kt ,am I right?
If the plane ahead ,or behind you , is a 737 , it will keep 160 kt IAS , so the separation will be compromised,I guess.