As we can see above, using 538's subreddit similarity algebra, we have a correlation of .7709 between r/mensrights+r/steroids and r/TheRedPill. Critics might point out that this could happen if simply because r/TheRedPill and r/MensRights overlap a lot. However, that's not true, r/steroids plays an important role here, and let's look at them individually and see why, starting with r/mensrights:
As we can see, PurplePillDebate is the closest to Mensrights, not TheRedPill, but yet, PurplePillDebate was much further down on the list when steroids were included. How about r/theRedPill by itself?
For r/TheRedPill by itself, r/MensRights is down in 4th place. However, if we take the steroids out of r/TheRedPill, we get r/MensRights as number one once again:
The next closest thing to The Red Pill without Steroids is a lot further away in terms of its correlation. It's conclusive, The Red Pill is Mens Rights on Steroids.