While your premise is true, why did you bother to compare BTC to Steem starting right after BTC crashed? Cherry picking data is a sign of propaganda. Starting from the BTC peak a month earlier would lend greater credence to your argument.
Not an accusation, just an observation. There are no few cases where people cherry pick data in order to mislead people, and folks that understand how that skews results will strongly defend you against detractors by pointing out you demonstrated your thesis with integrity. Taking the BTC data from the peak would reduce the percentage loss hodlers of Steem experienced, but show that even the best case scenario resulted in loss.
It's a far stronger argument IMHO.