BTC, USD INDEX, INFLATION & GOLD

This chart provides a correlation between BTC USD, USD Dollar Index, Inflation, & Gold Asset class.
Hypothesis:

BTC would be an asset class similar to gold.

Questions
Is BTC a digital equivalent of a decentralized gold vs USD as a currency controlled by a central gov?

Will historic US gov debt influence the strength of dollar which will inturn make asset classes like gold or BTC attractive?

Will the decentralization vs centralization approach influence the BTC and blockchain future growth?