I will say that choosing light rail is helpful in that it forces a certain minimum amount of infrastructure to be built. Dedicated BRT can be a good experience,

I will say that choosing light rail is helpful in that it forces a certain minimum amount of infrastructure to be built. Dedicated BRT can be a good experience, but rarely is built that way. The same cost-cutting forces that drive the choice of BRT over rail usually keep on pushing until all you're left with is a glorified bus stop.