Fear is only ever a concept. It is a concept coined by humans to pigeon-hole feelings of loss of control, of strength, of purpose. But fear is the antithesis to security. When you feel secure you are secure. When you feel afraid you are afraid.
Any change that is forced, that is foisted is fraught with danger, both for the employer and more so for the employee. If an organisation cannot clearly outline the benefits for the change for the individual the organisation could find itself hoist upon its own petard in venturing down the change path purely for financial and economical gain.
We must give in to our curiosity. Just like kids in playground having a ride on new swing for the first time or a puppy experiencing new surroundings. There is excitement, there is trepidation, but there is a willingness to be positive and to come out the other side, bigger, stronger, with greater confidence and feeling safe.