User blog comment:Yanxa/Under the suit.../@comment-3053284-20120215185641/@comment-3053284-20120215220634

By repeatedly tweaking the geth's systems, the quarians had inadvertently allowed the geth to evolve into an Artificial Intelligence, thus becoming sentient. In response, the quarian government ordered an immediate termination of all geth programs. Then the geth retaliated. [Read the article about The Morning War. ] But I agree; the Council should have helped the quarians.