"True-presence" doesn't sound like a very meaningful term for an engineer to be using. Are they microwave based too or something different entirely? Either way its a failing on the behalf of the engineers/planners involved - bicycles are vehicles and they all need to catered for. Point out that failing to do so could encourage cyclists to run red lights - thats a safety issue. For the same reason I don't think suggestions as to how to make you own personal bike pick up the signal are very helpful - I mean they are helpful to you, but they don't help other riders much.