I don't understand why they would remove turn signal stalks, unless they can automatically predict in which way you want to indicate a turn before turning in 99% of the cases.
It's just so natural to move the stalk down/up depending on which way you want to turn, and I'm not really sure this can be achieved with the touch buttons.
You actually don’t have to. If you cover all 4 buttons on the ride side of the steering wheel with your palm (same motion as a traditional horn) it will sound the horn despite the yoke having a dedicated physical horn button.
I can’t believe any regulator allowed this kind of terrible design on the road