[grubles]

That doesn't explain the favoritism for BCH over the multitude of other forks (some worth $50-$100 per token) though. Why no Bitcoin Gold listing?

[nostrademons]

Sure enough, there are angry customers accusing Coinbase of stealing their Bitcoin Gold:

https://www.reddit.com/r/CoinBase/comments/7jtlgz/coinbase_s...

IIRC BCH and ETC forked before BTG. They probably did two of them and then asked themselves "Why are we doing this again?"