I think the interplay of the 50 and 200 moving averages is worth paying attention to, but I agree that a death cross by itself isn't too unsettling from the bullish perspective.
What I look for more than a simple cross is something like a cross and "failure" (50 cross above the 200 for a "golden cross"), then a "reset" into a second death cross. That's a good sign that the bullish momentum has truly waned and the holders of the asset have really been beaten down for their perseverance by that point (the 200 moving average is likely also flat or turning down by that point as well, which is not the case with bitcoin on the daily timeframe as we speak).
Nothing is ever a guaranteed signal, but, probabilistically speaking, at least from my experience, "double death crosses" with a flat or declining 200 moving average are better indicators of more downward price movement (as compared to a death cross alone).
What I'm expecting to happen here is a reset into a "golden cross" (within then next 1 to 3 months) and a test of the all-time-high around $20K before any more chances of 50 over 200 crosses... but I've been wrong on these calls hundreds of times before, just like everyone else who plays this game.