Agreed. The whole Market Cap topic is a mess.

However, this article makes a lot of accusations against CMC, without showing any proofs.

Here are some alternatives to CoinMarketCap:

• http://coincap.io
• https://www.cryptocompare.com
• https://onchainfx.com
• https://coincodex.com
• https://coincheckup.com
• http://coincap.io
• https://www.coingecko.com
• https://coinlib.io
• https://bitinfocharts.com