There is no significant debate over whether or not theft should be legal. There are not pro-theft and anti-theft political groups; basically everyone agrees theft is bad, so that precludes the existence of significant pro-theft groups, and because there are no significant pro-theft groups, there is no need for anti-theft groups.
Theft from people less wealthy than the thief should be illegal.
Very few people disagree with this opinion. It is uncontroversial.
Theft from people less wealthy than the thief should be legal.
Very few people agree with this. Most people will consider this obviously morally wrong, even if they believe it should be legal to steal in certain cases. It is not a controversial opinion; it is nearly universally rejected.
Because it is not controversial, it seems that it would also be accurate to describe this belief as "uncontroversial," however, I've only heard that word used to refer to something widely accepted.
Is there a single adjective that could go here?
"Theft from people less wealthy than the thief should be legal" is a _____ opinion.