> Reddit is already a cesspool for many issues including politics, news and race/culture based questions.

So? The blast radius of those issues doesn't fully spillover into the non-political forums.

You want to know which of two different products in a particular class is better? /r/<productclass> won't be filled with political or culture-based proselytising.

Looking to buy a new laptop/car/power-tool/chair? Good advice is to be found on reddit and you may never even see a single off-topic discussion in your search.