Children from the age of 1 can understand what pointing means. If your signal does not provoke the use of this instinct in those who view it, your signal is faulty.
Anyone who needs to 'learn' this as part of their driver training is mentally defective.>>1076860
Why do you think it's not possible to do both?>>1076879
Others on the road ought to care about what you're about to do when your paths may cross. It makes things more pleasant for everyone when everyone's intentions are well understood.>>1076903
There's no reason why you can't signal as part of riding defensively. You're presenting a false dichotomy>>1078608>why don't road bicycles have indicators yet
Hand signals serve this purpose adequately, when the appropriate signals are made.>or brake lights?
Road bikes have some of the worst braking performance of any vehicle on the road and they travel relatively slowly. Other road users can also see clearly whether or not power is being applied. Basically, anyone who can derive useful information from a bicycle brake light is following too close to begin with.>or head lights?
They are already required for riding during the hours of darkness.>>1078631
The argument is that there is no advantage in incorporating them into the design of the bike and it holds true.>In some countries I understand it's not legal to sell a bike without lights.
Are you required to have reflectors on your bike?>>1078826
Yes, motorists are not truly anonymous, but they're not readily identifiable to most others nearby and only interaction they have with the others they encounter is transient, so for that reason the effect of motoring is akin to anonymisation.