A case study.
I covered some of what I could understand from Temu and Pin Duo Duo. If I erred, please comment to let me know.

Sources:
Pin Duo Duo information:
Pinduoduo -    • Pinduoduo - $0 to $100 Billion In 5 Y...  
Temu information: Temu.com, https://www.cnn.com/2023/02/16/tech/t...
Sources:

I also wanted to mention - Another thing I think Temu needs to do is to look at the catalogue of products it has sold so far and only preserve the ones that have received overwhelmingly good reviews, weed out the poor products or the sellers that don't provide quality, and reiterate their listings from there.

Chapters
00:00 Temu brief history
00:12 Pinduoduo explained
00:57 Temu's proposition
01:17 Temu vs Pinduoduo
03:06 Temu's issues
04:13 Temu needs to do this