Maybe this sounds too negative, but feel that a few small projects would have a lot more impact on safety and cycling experience.
This does seem more about artistic / architectural vision than a budget way of creating a cycle path. Not saying that's necessarily a bad thing, but assume it will be paid out of moneys set aside for artistic and architectural visions rather than one for making the numerous (thousands) of small improvements like dropped kerbs, widened paths, re-aligned junctions, moved parking spaces etc. that would REALLY make a difference.
Personally I don't feel that it being perhaps more expensive and less immediately obviously practical than some dropped kerbs is a reason NOT to build it, so long as you do the latter too.
I know that if it was built, I'd be down there all the time having a shot, when currently there's not really much in the area to pull in us outsiders from the southside.