The "flack" you actually caught was people saying this is a decision the Sox needed to make when they felt he was ready, not just because he was blocked by Pedroia at 2B, and that is still the case. These kids (especially the ones who come from Cuba) have a lot of catching up to do, and orgs tend to put as little on their plates as possible. The problem here is that Moncada is a goddamn freak of nature who has obliterated every personal and professional challenge the Sox have thrown at him. He's a generational-talent type