I'm not sure about the immigration process in any of the countries you mentioned, but I think you do need to come up with a good reason other than just being communist, how would the immigration office even vet your claims? Even if it sounds like your education experience doesn't look good, there's still your work experience to consider.
How did you "message the Chinese government" anyway, through their embassies or something? There are less than a million foreigners living in China according to the 2020 census: http://www.stats.gov.cn/english/PressRelease/202105/t20210510_1817193.html
IV. Purposes of Staying in Chinese Mainland
Of the above population, 77008 persons came for business, 444336 persons came for employment, 219761 persons came for study, 419517 persons came for settlement, 74735 persons came to visit relatives, and 195338 persons came for other purposes.