that's actually someone else's dogma, not mine. i felt it would be fair to offer such a choice for the ideologically addled.
for realistic consideration of bikes and cars and nice shareable road speeds between them, the other four are within the realm of reasonable consideration.
the dogmatism attached to the last poll choice is frequently bandied about here in the VC subforum, I felt it would only be FAIR AND BALANCED to present this option.
best have equal choices for all points of view, eh?