Anti-vaccinations groups, for example, have reliedon viral videos to sell the panic of vaccination side-effects
Unfortunately, this is very true. We can say the same about fake news. Such practices can contribute to hurting the validity of the overall data. The Twitter data is not collected with systematic investigation or systematic collection methods. This data collection method heavily relies on “public opinion”. I do think that if one wants to find general public sentiment or general public opinion, this is a great way to do it.