It's also an important factor when making any planning applications for ancillary development eg the hotel. A track record of sustainable access for eg staff.
Of course there's a debate to be had about how many we could get to cycle, yes. But you dismissed any conceivable solution to providing the capacity to make that possible. Providing secure cycle parking infrastructure is relatively cheap and has obvious positive gains. Health; emissions...
Well that's a grown-up way to conduct a discussion. Not. The guy Uter has already pointed out that the Amsterdam Arena has 3000 bike parking spaces. For example, it would be perfectly possible to extend the covered cycle parking the other side of the station on the walking route to the Bridge...