@WolfOfEve: I disregard them because I don't get the impression it was meant to be taken seriously, considering they could've beaten Ghetsis. (Which would be massive levels of overkill, seeing as even getting beaten by a teenager was enough to break his spirit hard enough to leave him bedridden.)
@Ice: Yes. All existing teachers would get a free 5-10 levels for each of their pokemon to be used at that time. Keeping in mind, this would put Gary in the mid-high 90s, making him virtually impossible to defeat.