You would want to fly in a plane serviced by someone more likely to screw up the engine just because the guy works really long hours and can recite the manual to you by heart? Of course not. And its not the same in any other industry either. No one goes back to a crappy dentist because he likes the guys gumption. No company is going to fire the more productive salesman to keep a less productive option just because the manager knows deep down the former has so much more to give. Imagine that manager explaining that to his superiors? "Well yes John had much better sales numbers but truth be told we felt he he could have had even better numbers if worked even harder so our solution was to go with Fred who frequently gets lost in his own cubicle."
This is fun, I'll play along.
"Well yes, John has decent sales numbers. But unfortunately we don't know what they were because he couldn't be bothered to keep track. When asked, he shrugged and went on his way. We don't really know where is right now, because John makes his own hours and doesn't feel like picking up his phone today. Granted, we've lost productivity time trying to get John to do the things we need him to do, and we can't trust him with our biggest clients, but hey his numbers are good. Or at least they should be good.
"For some reason he has a lot of sales calls, but not a lot of sales. Hmm. But these underlying numbers says he's a rockstar.
"Wait, what do you mean they don't? Ohhhhh, you mean they're projected to be rockstar numbers, if only we could trust John with those bigger clients. I gotcha.
"Hey, by the way, how many jobs has John been through in the last few years? Hmmm, that seems odd for a rockstar employee like John. I wonder what the issues were? Ohhhhhh, he didn't keep track. I'm sure his numbers were amazing and keeping track was just a bother. Oh....
"That's alright, it clearly wasn't John's fault. It must've been those other companies and their management. Or maybe they didn't like him because he wasn't proven. Yeah, that's it. Wait, one of those companies is recognized for having one of the best HR departments in our industry? Nah, probably wasn't John.
"John's a good guy. Nothing to worry about. It's just our stupid managers. And the stupid managers at the other company. And the stupid managers at the other company. You can't put those kind of restrctions on John, that kid assisted on a bunch of sales over the last two months.
"Wait? What? It was three sales he assisted on? Okay, fine. How many sales did he score? None you say? Well that doesn't seem right. John is our best sales person.
"You know it must be that stupid manager he reports to. Just like all the rest, fools, all of them. John's coming around, just you wait."