They are not bots they are humans and belongs to chinese 50 cent brigade this is why china increased their military budget just in order to increase activity of these 50 cent trolls
Ok china can explain that COVID 19 is not chinese creation but if someone try to wage biological war on china like america or its deep state then they will already prepare tons of antidotes
Ok but what if it is chinese drama because joe biden policies are pro chinese and anti russian and even nowadays you can see so many american think tanks wants cooperation between US and China