Its 100% right and certain that the benefits have been proposed, and self evident from any reference that have proposed them.  There also does not exist any reliable refutation of any of the list of proposed benefits.  The standard for inclusion as proposed benefits is (or should be) that they are debatable.  There is no evidence that they are implausible, and the points are clearly argued.  It is the most critical section of the entire article after all, and has been up on the page for about 1 year, for the scrutiny of the entire community.  Its likely that any feeling you may have that the information is wrong is misguided, and if you expressed those feelings, you'd have an opportunity to learn from the community why those feelings may be in a weaker debating position than some of the proposed benefits.