Property is hard to offload and doesn't appreciate in all markets. The UK is unusual in this regard. Compare and contrast rural France and Italy where rural communities are shrinking and property depreciating. Equities have the benefit that yo u are investing in something that actively works to generate revenues. It's Capitalism 1.01. He who owns the means of production makes money without actually having to do the physical work. Of course the same applies to rented property and there's no guarantee that either will be profitable or grow in value.
Neither of those things are relevant to self custodying your own bitcoin, in fact it is precisely both of those scenarios it prevents!
I'm not sure how folks can stand up for the banks and markets with a straight face after what we've seen over the last couple of decades.
Last time I checked bitcoin hasn't needed a government bail out or emergency loan, meanwhile if you're happy to leave your entire net worth in this shit show and sleep soundly at night, well...
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This is the real issue as it was the cause of people trying to take out their deposits. The bank run made SVB temporarily illiquid, not insolvent (see Warren Mosler link above). The solution to the short term problem is the provide 100% guarantee to depositors or more sensibly re regulate riskier investment banks and shadow banking
