some percent of double-spendings can be tolerated if we save a lot of resources by allowing this. Every day new counterfeit dollars appear in the streets but Earth doesn't stop spinning.
1% of your effort will take you 99% of the way to your goal, but completing that final 1% will cost 99% of the total effort.
the world obviously does not care that 2 entities in 1 country already control over 51% of the bitcoin hash power. case in point, bitcoin has never died.
who really cares about a few dollars spent twice?
nobody that matters
so, why the hell don't you just save 99% of your time and money, rather than spend it on something that the masses don't care about.
therefore; a wokaholic can get 99x more useful work done if he is
not a perfectionist
So just because you are imperfect, does not mean that you are unproductive
Case in point:
the world's undisputed most distributed immutable ledger (if it works)
(and another creative genius bound for the funny farm because he craves attaining that final 1%
A system based on math does not agree to your conclusions.. It either works or doesnt for all cases. That is what btc to the stage as ideal money