Absolutely correct.<p>Sunk costs can be a bankrupting, nation destroying, and species extincting level cognitive error. Sometimes it is best to quit.<p>Here&#x27;s a podcast that goes into more detail:<p><a href="http:&#x2F;&#x2F;freakonomics.com&#x2F;2014&#x2F;05&#x2F;29&#x2F;the-upside-of-quitting-a-freakonomics-radio-rebroadcast&#x2F;" rel="nofollow">http:&#x2F;&#x2F;freakonomics.com&#x2F;2014&#x2F;05&#x2F;29&#x2F;the-upside-of-quitting-a-...</a><p>The takeaway is that the quicker you quit the faster you can get on to something you can win at.