If you don't want to shake hands with someone you shouldn't have to. Pointless exercise.
That is the context, and it is why the FA has its Respect Campaign. The pre-match handshake ceremony is in keeping with the principles of that - respect for one's opponent, and hopefully if kids see their heroes do it, then it will help instill in them some of those principles.
That is why I personally think it is sad to see this suspended. Bear in mind that this suspension has arisen as a result of an allegation of racist abuse by one player against a fellow professional. Good behaviour and leading by example?
I think we see enough examples of bad behaviour from these role models from kick off until the final whistle, not to mention their private lives which are splashed across the front pages. Is it too much to ask them to take part in a simple hand shaking ceremony that sets a good example?