Well, I can't agree with you. Without foot=yes routers will ignore this path for navigation on foot (because they don't know the local laws, quite predictably); and while in this case there won't be much difference, there's another "cycleway" nearby, https://www.openstreetmap.org/way/687914142  that provides the direct way to the cascade fountain (under renovation now). It was actually turned into a cycleway from a regular footpath, and not into a combined way because it's not wide enough; but it still remains the main way for pedestrians to get to the amphitheater and Marostan restaurant. So all in all, this designation as a cyclepath is more of a fancy picture than a reality.