Trust science. For the same reason 3-6 feet was safe...

That is (was?) the rate of gold extraction.

It's arbitrary, fake, and gay.

2% is the natural default rate under fractional reserve banking nostr:naddr1qqgxgvp5vd3nwvekvgckvwtyx9nrxqg5waen5te0d3hkxctvdphhxap6xsurvwf0qgsvr6dt8ft292mv5jlt7382vje0mfq2ccc3azrt4p45v5sknj6kkscrqsqqqa28yvhprx

Because nobody likes odd numbers. Because they are odd.