Earlier quoted context omitted.
Taobao is ecommerce with Chinese characteristics (i.e. clown-world style) and I say this as someone who has been using Taobao multiple times a week for years. There's having to get on AliWangWang and chat up sellers to make sure they actually have stock of the items they're listing for sale. If you optimistically order without spending ten minutes going back and forth with them beforehand, your purchases may not ship…
Just as a few others have mentioned, I too never have such problems using Taobao. The way I use it is with the app, click to sort by number of sales, and usually buy from one of the top sellers. I don't usually talk to the sellers unless I have questions about the stuff I'm about to buy, and I turn off the notification for the app so 80% of the time I just never reply the seller. They might still send the message ask…
Here are two recent examples of my having to interact w/sellers on WangWang. Top half of screencap: have to confirm address or they won't ship. Bottom half of screencap: other seller waits two days to tell me that the stuff I bought was out of stock and I should apply for a refund (the items are still for sale on that shop btw).