Sometimes you need to cut your losses. This happens in investing, it happens in development, it happens in all aspects of life.
You get so invested in an asset, a development challenge, an investment, and you lose objectivity to make rational decisions as you feel you have "put so much into it" that you that you put an unrealistic value on what you "put so much into".
As a fake news developer (I suck at it, but I just want things automated regardless), you end up putting a lot of time into one way of solving a problem, and when you realize there is a better way but your way "works" it's very hard to scrap it all to do it the right way, even if there are immediate benefits.
Hands down... i mean, its hard to know when its time to reassess, to look elsewhere, to let the car go (in my analogy/real situation). But sometimes, just sometimes the answer is to let go.