People just should stop using coinmarketcap all together, they had a long time to fix this and there are already better options for it that are not listing exchanges without a decent liquidity or wash trading. Coinmarketcap should do some serious fixing but right now it's unusable if you are looking at the top volume coins/exchanges.
I believe that the Coinmarketcap is the most popular resource among all cryptocurrency users. It seems to me that if this resource fools users, then you need to give not only examples and evidence of their guilt, but also give people an alternative. Therefore, it would be nice to disseminate information about other resources that would give truthful and accurate information about trading exchanges and cryptocurrencies.