Nancy did identify a serious problem with your comment, but I'm not sure modulo that issue that your comment should be downvoted as much as it is. To some extent, the point that we have politics as a way of resolving issues without bloodshed is valid: modern politics in many ways is an improvement over the alternatives. But that doesn't by itself make politics a good thing or make politics less of a mind-killer. To some extent, much political interaction resembles ritualized combat that occurs in many mammalian species (and sometimes in groups)- fatality is minimized, but the level of actual rational discourse is clearly still pretty low.

To some extent, it may help to see politics as the mindkiller as a statement about how political discourse can be improved. In most of the West, politics doesn't result in people being killed often, but it still isn't a rational way of examining disagreements and resolving them in a way that appropriately balances conflicting goals. And it is very very easy for it to become outright tribalism that doesn't devolve into violence primarily because we have strong anti-violence taboos and respect taboos more than anything connected to the political process.