On the Claim by Some that Constantine the Great Only Converted to Christianity (Circa 312?) for Political Purposes

Well, being that Christianity was still a distinctly minority faith......and while its practitioners weren't being persecuted as they'd been in prior Centuries, they weren't exactly at the top of the social hierarchy, either, I'm going to say that the dude was probably sincere.......or at the bare minimum, conflicted (hedging my bets as usual).