This is very true. Just because there's sunk costs doesn't mean you're falling for the sunk costs fallacy. Sure, sometimes you need to just cut your losses and

This is very true. Just because there's sunk costs doesn't mean you're falling for the sunk costs fallacy. Sure, sometimes you need to just cut your losses and start over, but often it's better to push through (maybe with a bit of a rethink) and get some degree of useful result than it is to just scrap everything and start over.