There are those who will not board a plane because sometimes there's a plane crash.
There are those who will not use a taxi cab becouse they don't know the history of the driver.

I'm also sure there are some who will not breath because there're not sure what poisonous gases have escaped into the atmosphere.

Let the BOLD lead and the TIMID follow.... Each has his place.

There are risks associated with every activity of our daily lives.