To be honest, I'm not even sure they have a way to look at/dump metrics programmed in...so I'm not even sure they do THAT. Looking back how spaghetti some of the programming is in general...a simple boolean check(true or false) in housing error. (That's only one line and they messed that up) [no testing]. It's hard to believe they do, and if they do, questions if their methodology of retaining said results is also spaghetti and what it actually factors in. (Bots, people just spamming actions for the heck of it, etc {would be some things need to consider})