Not sure if it's actually a big help as you put it. The increase in cash settled contracts eats up a lot of the spot demand, which isn't something we can discard when CME frequently trades over 100,000BTC a day. I hope that Fidelity and Bakkt will be able to push it back a bit, but CME's influence on the market is a bit worrying.
At first no one gave a shit about them due to how low the volumes were, but when you're easily surpassing Coinbase, Bitstamp and Kraken combined in trading volume, you have a say in this market.
Gold's market has been trashed by cash settled products, and in the long run I expect the same to happen to Bitcoin's market, especially with how there aren't enough coins available. The CME CEO even said that one of Bitcoin's biggest 'obstacles' is the lack of available supply. Obstacle for them is a good thing for people holding the actual asset.