This wouldn't work because there are no inherent checks on whether someone's contribution is good. The most successful gamification parts of the site, questions and answers, work because you only get points when someone else judges your contribution useful.
Put another way, imagine if you got a point for every question you posted. The site would be flooded with crap questions immediately. The only way these systems work is if there's some sort of feedback loop so that people can't just give themselves points.
This would really increase bad reviews. There are already a lot of robo-reviewers just for the badges, and there will be a lot more of you also get rewarded by rep when reviewing. Giving robo-reviewers more rep will mean that they will get more privileges very fast, but they really don't deserve these privileges.