The moral implications of experimental surgery is that it will directly interfere with Charlie's brain, possibly worsening his condition, or leaving him completely unable to perform any activity, even killing him. However, Dr. Nemur, wants to participate in this surgery, because he believes that it will give excellent results and that it will be a great scientific revolution that will boost his career in a very intense way.
Charlie wants to undergo this surgery, because he wants to have a normal life, where he will be able to do what he cannot and better understand the world to which he is inserted, as well as himself.
A. because the whole reason people wanted Caeser dead was because he was greedy. And poor Brutus was convinced it was for a good cause and not for other's political gain.