It wasbt doing that for me.
I don't think that it was necessarily that they decided to **** Gallax over because of who he is, but rather were influenced when they made the much more subjective ethical decisions (e.g. Ryo Otronicon vs. having a win over Seibrik). When Gallax has clearly displayed the qualities of a PR level player (beating Seibrik, MVD, etc., dominating Orlando in general, and only losing to very high level PR players such as you, HRNut, and ESAM). IMO it looks incredibly flawed as a result.
Furthermore, as HRNut said, the PR discourages entering a tournament more than once or twice, especially high level tournaments. I used to think that it would be bad for FL to have a split PR, but as more players have stepped it up and this issue of inaccuracy has come up, I feel that the PR is currently ineffective as an actual tool for OoS. I believe that two separate PRs could be assembled that would look about as strong as the 8 man PR did when it was started.
As far as the statistical PR goes, I think that you're overestimating the effects of players who dominate lesser sub-regions (e.g. Viper in Fort Myers). The statistical impact of dominant players is curbed not too long into record keeping. In this case, Viper will probably be higher than normal (it wouldn't be odd to see Viper near Radix, for example), but he shouldn't make it into the top 10 without actually having a solid record in addition to that. This could actually happen, seeing as Viper has performed decently when he's come to Orlando (he has a winning record over GDX, for example).