If you said that you found her insufferable then I wouldn't have downvoted or commented. You said she is, which is more likely to get a strong reaction from people who disagree. If you can't figure out why people are downvoting when you are directly told I can't help you.

Or proof that if you present your unpopular opinion as a fact you will get downvoted.

(grabs some glue) This really long one called A Song of Ice and Fire, although hopefully I will need to use a bit more glue in a few years.