These futures contracts are the same as Gold futures contracts. First, its all paper and settled in dollars not BTC. More importantly, if you look at the Gold Futures market there are more Gold contracts than gold available: 542 contracts to 1 ounce of gold. The net effect is artificially keeping gold prices suppressed! If they overhaul that system and settle in real gold or mandate 1 contract per available ounce. gold price would skyrocket!
They are perpetrating the same scheme with BTC paper futures... the net result will like lower the institutional demand for BTC! Not the big upward pressure on price you would expect.
Here's Why the Gold and Silver Futures Market Is Like a Rigged Casino...
https://www.moneymetals.com/news/2016/05/16/silver-gold-futures-market-000868