I think the issue is that many people use eBay less than sites like Amazon or AliExpress where you're out to pick a product - I used to use ebay quite often for

I think the issue is that many people use eBay less than sites like Amazon or AliExpress where you're out to pick a product - I used to use ebay quite often for buying things like phone cases and electronics components directly from China. Now I choose AliExpress when I want it cheaper and Amazon when I want it faster. eBay has lost a lot of marketshare in this space - yes, there's business in auctioning collectibles and second hand stuff, but it's much smaller than that direct purchase market and they'd likely have to scale back the site in some respects.