I've seen a lot of similar statements and at this point, I find it hard to see what this is really based upon?
Without going into the anti-Marcus sentiments, which TBH, I haven't really seen (I suspect it's on twatter, facebook, insta etc - where it's nicely hidden from my view)...
I can answer this one for you. It's based on how each of them play for their club, how Marcus plays for England, and what we've seen of of how Finn plays for England.
Obviously, it's way too early to hail Finn as the new messiah (not that that's ever stopped anyone before, for any player); but it's absolutely fair and valid to see what Marcus does at Quins, and what Finn does at Saints, and prefer the latter.
It's also fair and valid to prefer the former.
ETA: and to prove the lie to my first sentence above...
This is NOT Ford v Farrell, where one was potentially world class in all aspects, and one only in attitude, but lacking in skills and vision.
Marcus v Finn is 2 potentially world class talents, both currently let down by one aspect that should improve with international game time.
IMO Marcus has shown progress towards addressing his weakness - but he's also got 44 caps and well over 2400 international minutes (not to mention 170+ and >12,000 at club), he really should have by now.
FTR: I also appreciate that Marcus fans who are exposed to whatever bullsh
it is being thrown about on antisocial media have found themselves going the opposite direction, and become a bit blind to his faults - we've all been there "defending" our man from unwarranted attack - we just lose objectivity.