Lets also not forget BCH ranks 4th on CMC.
Yes.
And is 5+ years younger than all those ahead.
No. Tracing its heritage to the Satoshi Genesis Block, Bitcoin Cash is the oldest cryptocurrency. A title it shares with Bitcoin Segwit.
Coinmarketcap, a hundred other coin websites, everybody sane and all of reality disagrees with you.
Coinmarketcap states that Bitcoin Cash is not the oldest cryptocurrency? News to me. How about a link to support your assertion?