The classic EM ladder used to look like: EM → Senior EM → Director → VP.
（二）本人或者其近亲属与本案有利害关系的；
，这一点在PDF资料中也有详细论述
Bug introduction rates may reflect review coverage, not just author skill. A patch that gets heavy LKML scrutiny before merge is less likely to contain bugs than one that slips through with minimal review but both look identical in git.
As far as I understand, their meaning is the following: