This doesn't sound like a well-informed understanding of Vietnam. I suggest looking into Luna Oi's videos on youtube: https://www.youtube.com/@Lunaoi/videos
From what I've seen, she tends to go into detail about Vietnamese policy and history, and where it's coming from. She also did an english translation of a Vietnamese book on marxism-leninism:
https://www.lunaoi.com/product/ebook-historical-materialism/