Out of the 7 references, most of them are journalistic articles and not actual scientific research.

The question is 'does wearing masks out in the public decrease virus spread, when social distancing measures are already in effect?'.

One linked (not cited...) research examines virus transmission and effects of mask use in a hospital setting - irrelevant for the question.

Another examines filtration properties of homemade masks, and concludes that they have little if any effect if not used with other measures, and doesn't (!!!) recommend their use.

A third one, a SCMP journalistic article refers to a Chinese scientific journal article that has been retracted.

I don't find these as very compelling arguments.