I use to optimize when I want to avoid certain times where market behave irrationally bull or bulltard :). That way the optimization can be improved because by optimizing more for the other 99% of the time where market beahve more rational
In true TradingView spirit, the author of this script has published it open-source, so traders can understand and verify it. Cheers to the author! You may use it for free, but reuse of this code in a publication is governed by House Rules. You can favorite it to use it on a chart.