A better example is that equal time is frequently given to both sides of the climate change debate despite the actually numbers showing that calling it a "debate" is journalistic laziness. Equal credence would mean the deniers only get about 3% of the allotted time to make their crackpot case, because that's the closest they come to being a "side" in this non-debate against the other 93% that also have 100% of the data and research.

It's like spam in a decentralized system. Attackers can't change consensus within the system but they can slow it down to a crawl. Proof of work in Bitcoin is just an anti spam mechanism.