The question implies that there are lots of complex issues that need discussing, but this is not the case. Plagiarism is unethical and dishonest. It's not 'up for debate'.On a purely practical level...
Ethical issues are problems or dilemmas involving moral compromise. They can arise anywhere. They can be thought of on a societal scale, like, "should be people be allowed have a gay marriage", or on...
It all depends on what the individual believes is best for him/herself. Thus an egoist may be for or against abortion, but it would be on a case-by-case basis.
A pregnant egoist may be for an...