I think you need to realize couple of issues: - While the disease was spreading it probably made more sense to focus on dealing with the disease. Focusing on b

I think you need to realize couple of issues: - While the disease was spreading it probably made more sense to focus on dealing with the disease. Focusing on blame would probably take away from the efforts and clear message needed to combat the actual problem. As an example, see how any information about people hurt by the vaccine actually caused more problems. There is probably orders of magnitude more people dead or going to die because of reluctance to take the vaccine that would ever be hurt by the vaccine itself. - There is probably intentional and unintentional misinformation war happening in social media that for me or you is difficult to quantize or understand effect of. I find it likely there are state actors trying to influence public opinion on various matters or at least make various points moot. Add to this misinformation from various (I will call them amateur) groups that spread it based on rumor or feelings or pure conjecture without any facts to back it up. Then there are people who are responding to this misinformation, without having any facts themselves. All of this is going to make it difficult to understand where these shifts come from but not difficult to understand why they are happening.