Counterpoint is you can already legally build your own gun legally as long as it abides state and federal laws. These kits offer a safer diy experience than just throwing a 3d printed Glock clone together and hoping it works. Plenty of people have also built AR15 variants from “80% lowers” which require some diy milling and assembly. Having safe and tested diy options is likely a good thing for overall safety.
A banana texture raw vs a raw apple are very different. Toddlers need most of their food softened/chopped to small bites depending on teeth. No condescension but also just not the same thing at all.