What do you mean no one is arguing Mayer needs to come up. You've literally been calling for him to come up to energise the teams offence. This post I'm replying to is saying he deserves to be in the big leagues.
How did he earn his spot? Spring Training? Have you always been of the mindset that ST stats matter? Or is this a new thing because you want to back up this point? Genuine question as you'd be very much in the minority in thinking ST stats matter for hitters much at all. The fact Campbell was given the job over him shows (quite rightly so far) that he was the guy to give the job to based off far more than meaningless baseball against pitchers trying to throw 5 curve balls in a row to get their feel.
Mayer didn't face a pitch in AAA after promotion and has lost substantial development time to injuries. He may well have got a place at a roster as terrible as the White Sox's, but that's another point against him isn't it? He's not at the White Sox, he's with us and has not proven he's better than Story, has not proven he's better than Bregman, and has not proven he's better than Campbell. He could replace Hamilton I guess, but then I think they see him as a full timer and don't want to burn a year on him being a utility guy. Plus as evidenced below - he's just not done enough either way.
Story - BA: 318 OBP: 348, OPS: 866
Bregman - BA: 297, OBP: 375, OPS: 880
Campbell - BA: 316, OBP: 418, OPS: 918
Mayer - BA: 223, OBP: 273, OPS: 684
Honestly, I'm not entirely sure you know what you're arguing for here. In consecutive posts you've said firstly that Mayer and Story have had similar seasons so far, and secondly that he's not in the Bigs because he's blocked at his position by Boston's current leader in batting average and slugging percentage. I mean, come on.
In time Mayer will get here and prove to be very good I've no doubt, and there's certainly a case for Anthony to come up soon, even if the amount of weight behind him being some sort of saviour is concerning to me. But Mayer just isn't there right now. And he's got to work very hard to disprove this, or wait for injuries, which in fairness will inevitabley come.