They do have a point, mentors are just regular players too that spent time getting 100 commendations, 3 classes up to 80, and something else, which can all be done without even touching a EX trial. If the content can go into a mentor roulette, then it can go into roulette maybe as it's own roulette. Like "Extreme Roulette & Savage Roulette" and let those roulettes give MSQ high rewards since they are considerably more challenging to do and to make up for the fact that you will be a bunch of randoms. And maybe have it so when a new expansion drops their Extreme/Savage trials/raids cannot be in the Extreme/Savage roulette until a month after the content drops, as to give the community time to look at guides/experience the content on their own before throwing them with a bunch of randoms.