Meta study confirms ineffectiveness of masks. Link in comments.

People who were right from the beginning were people who knew how to read.

In early 2020, I saw several studies done pre-covid which concluded masks were ineffective at stopping transmission of the flu.
And then there is this Dr. who posted a video demonstrating how well all mask types do not work.

https://www.dailymail.co.uk/health/article-11702865/Masks-make-little-no-difference-Covid-infections-massive-cross-country-meta-analysis-finds.html