I'm just guessing the fact you state that he thinks your previous pdoc is a "stupid American" stems from your own racial bias rather than the doctor's words.

In addition, patients have a responsibility to ask doctors questions if they don't understand. Why didn't you ask how to switch your meds out? I'm no pdoc, but 100 mg Seroquel isn't a huge dose, so switching out immediately shouldn't be a problem...At least this was my personal experience.