Well it of course doesn't corellate S&P 500 1:1, so it provides some diversification (same as everything else).
Gold has been down over the past week as well, it is normal for all instruments to move together at times of uncertainty (and when many folks are getting margin called).
B. diversification against more tradional assets
C. store of value if you don’t have access to any better financial instruments
D. keeping some ready on hand to pay off ransomware attacks