As someone who has purchased many things from both eBay and etsy, and have sold on eBay and etsy before. Many items are unique and hand made, more sellers are resellers but you have to actually look for sellers who make their own things. I make my own jewellery, recently I started an "imitation sapphire", solitaire style setting ring. But do you want to pay what I want for it? Or do you want it at the same price as the mass produced items? Many people dont want to pay the true price for items, thats how big box stores got big. Many people don't know how hard working with precious stones, gems, metals of all types, how long it takes to make a piece, how long the tumbler processing is, even to buy the ring without a stone, and a prefacted gem it takes me at least an hour of labor to set the stone, use a tiny bit to file down each prong, polish it up, and thats one stone, premade setting, no carvings in the band, no personal engraving, no extra stones. Just a plain sterling silver ring with one stone, i add up my costs for raw product, my time, and the price is double the mass produced resellers price, which makes my price seem "obnoxious".
Mom and pop shops cost more, they have more overhead, thats how big box stores were able to wipe them out. People didn't want to pay $20 for an item that costs $9.99 at a big box store.
The problem isnt finding actual artists, it feels more like "sticker shock", not a lack of actual handmade items.