my reaction in such a reaction is that i would drop gear and
speed up too, i don't wanna risk getting banged from behind by
them.
honestly, trying to siam is really dumb. the best and safest
approach is to just stay there and don't make any sudden moves.
action = reaction. they assume u stay in that spot, they siam u,
suddenly u siam into their path, they gotta siam again, in the end
became chain collision.
