That's an interesting letter. One thing that it doesn't address, and I don't know if this is true in Canada but it is in the US, is that cyclists actually pay for MORE than their fair share of roadways.

The gasoline and licensing taxes that they're always on about cyclists not paying, those go primarily to pay for limited-access expressways that cyclists aren't allowed on anyway.

The surface streets that cyclists use are paid for primarily from property and income taxes, which cyclists pay just as much as car drivers do. Factor in the fact that cyclists cause essentially zero damage to the road when using them and that they require far less space, and it's easy to see that a cyclist is paying for more than their fair share of the roads that they're allowed to use.