They aren’t actually bringing back the dazzle camoflage.
Dazzle/zebra was not intended to hide the ship, but rather to confuse the viewers ability to judge aspect, which was required for gunnery and torpedo solutions.
The modern paint job probably won’t have any meaningful effect, except in very low light or obscuration situations.
The real reason for this paint job-note the unattractive exhaust stains in the non-camouflaged image and compare this to where the darkest patches happen to be in camouflaged image.
If the camouflage was truly effective, all out surface ships would be painted in the same pattern.