Why aren’t there more Smartbuses?

Why aren't there more Smartbuses? Smartbuses work. Smartbus is a fancy marketing name for buses that run more frequently than most other routes, have some bus priority and realtime electronic signs at major stops. The figures in this government press release show the upgrades of routes to Smartbus result in strong patronage growth. I've excluded the older 703 and 888/889 services from th