I would disagree, if you don't bring up any politics at all then you don't move the boundaries as the boundaries do not exist. There is no minimum level of acce

I would disagree, if you don't bring up any politics at all then you don't move the boundaries as the boundaries do not exist. There is no minimum level of acceptable politics to move any boundary. In that case, defining "political" is no longer a political act. On the other hand you can also simply ban all tribal issues, ie the ones that cause coworkers to go at eachothers throats. This would be minorly political but the workplace atmosphere would improve greatly.