It’s also non-destructive, so you won’t make any mistakes you can’t fix.
Working with a “channel mixer” or “black and white” adjustment layer will almost always produce stronger images than a “quicker fix.” The latter works by allowing you to go into every color and finesse those tones; for example, if green trees appear too dark, you can pull your green slider to the right to correct it. Does the sky look too light? Move the blue slider a bit to the left. It’s also non-destructive, so you won’t make any mistakes you can’t fix.