What handmade actually means on Etsy
Handmade on Etsy does not mean one person made the thing with their hands. It means the seller designed it, and either made it themselves or worked with a production partner they declared. Etsy's own rules allow both, and the second one covers a great deal of ground.
What the rules actually say
A seller has to design or make the item. If somebody else physically makes it, that manufacturer has to be declared to Etsy and approved. The seller does not have to tell you who it is, and the storefront does not have to say anything about it at all.
So a shop can send a file to a factory, have ten thousand made, ship them from a warehouse, and be handmade under the rules. That is not a loophole somebody found. It is how the policy is written.
Where it goes wrong
The rules cover who made it. They do not cover whether the shop is honest about the thing itself, and that is where buyers get caught out.
A listing that says solid metal and arrives as a printed sticker on plastic is not a production partner question, it is a description question. A listing that says hand engraved and arrives laser printed is the same. The word handmade turns out to be a poor thing to check, because it is compatible with almost anything.
What to check instead
Ask what the item is made of and how the marking got onto it. Those two answers are specific, they are checkable when it arrives, and a shop that will not answer them plainly has told you something.
Then read the one and two star reviews and look at the photographs. Buyers describe materials precisely when they are annoyed. Whether the thing matches its own listing is a question the reviews already answer, and it is the question we score shops on.