It's more fun this way. Other than that you wouldn't. I guess you could argue governments all over the world are looking at chacha20, where as this has securi

It's more fun this way. Other than that you wouldn't. I guess you could argue governments all over the world are looking at chacha20, where as this has security through obscurity, which has value. But on the other side being handmade hardware it'd be much more likely to have flaws which analysis of the data might find rather quickly.