"yes you do have to talk to people you disagree with on a high level"
Your problem is that you're doing the fun game of pretending that "political differences" these days are still in the realms of disagreeing whether quantitative easing is sound economic practice, rather than disagreeing whether trans people should get to exist or not.
If you vote for a party based on their economic policy, and that party happens to be actively recruiting from the ranks of white supremacists, then congratulations: you've just voted at least in part for white supremacy, whether you realised it or not. If you vote for a party currently trying to win votes by campaigning on the grounds of climate change being a hoax, then congratulations, that's exactly what you voted for.
They need to have debates and discussion and decide on courses of action
Essentially all the discussion in this thread so far has basically been focused around being outspoken against bigotry, so I'd be really interested what industry you work in where there are transferable skills from lively debates on whether racism is a good thing or not.
What's an example of an opinion you think Bill from accounting could hold that your standard Gen-Z employee would find unacceptable?