1. Photography isn't made by hand (with pencils, paint brushes, or sculpting tools)
2. You can edit your pictures through different apps and add filters
3. Photography can be quicker then drawing and sculptor in that photography you can walk by a beautiful flower and take a picture and edit it later but with drawing you would sit there and draw what you see.
Yes that comment is true they try to add a little thing into a tattoo to make it like there own like some dots some colors certain colors or have little unique design onto the body where the tattoo is applied