In electronics you can find a lot of ebay special knockoffs from china. They look the same as what they copy, they function the same as what they copy. 99% of the time, the difference is pretty minimal.

But when you crack them open, you often find price cutting shortcuts and bad design, that can sometimes turn them into deathtraps waiting to happen. Designers don't understand, don't have the budget for, or simply don't care about safety, so it gets left out. Some are designed by people who clearly have no idea what they are doing at all.

When you buy a noname clone, that's a risk you take. Do you know what, if any, engineering went into the layup? Do you know where they cut corners? If something ever does go wrong, will you ever be able to track anyone down?