You can't move, sell, verify or store physical gold without a huge amount of hassle.
There's no point making this comparison.
They stuck a paper market on top of gold as otherwise there basically isn't one.
That's not the case with bitcoin.
Dude, CME and CBOE are implementing the exact same methodology as gold futures. The paper contracts are settled in cash. Next to no BTC is involved. Its a moot point.