There's a class of performance bugs that you can feel.
Today I inadvertently implemented "Schlemiel the Painter's algorithm", and it's obvious: performance was great at first, and then it gradually deteriorates.
miniblog.
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The Carbon language has a notion of a 'painter', a designated person to handle design debates that are just bikeshedding ("choosing the colour").
Less dramatic than a BDFL, and a cute name.
https://github.com/carbon-language/carbon-lang/blob/trunk/docs/project/evolution.md#painter