> If you talk about politics and everyone agrees then you know you are working along side aligned people.

You state that as it it's a a truism. There are many times when having a group not be homogeneous allows for a greater breadth of knowledge and consideration to be brought to bear on a topic.

The point of being professional is that it's a way to allow people that may be very different to coexist and function together, sometimes to great effect.

You can be a professional and disagree. You can also get to know the people you work along side on a personal level and that involves sharing ideas.

There is no work-relevant knowledge I'm missing out on by avoiding Republicans