Because she did not tell the mother the extent of the possible side effects. She even admits on the tape that their company policy is to not tell because they don’t want to scare people into not getting the shot. My wife is an ex-pharmacist, and she says it used to be standard policy to ask if the patient had questions about drugs and to warn them of any serious side effects.
They don’t want every person they give the shot to. It’s very rare for that occur. There are possible side effects with every vaccine.