Yeah well if it was so easy to master your anger and frustation when unfairly targetted by all and sundry, specially those who come to you and declare you as their friends, There would be millions of Mahatma Gandhi and not just one.
She is human and she reacted. Its high time she did
when she declared to BB, she probably didn't know the lame ass reasons the insecure HMs will put out to nominate her.
Then she stood and got insulted and finally decided to vent out.
Atleast she did not abuse, banshee screech or pull vrat card.
However, she could have gone nicer on Aarya. NO matter how back stabbing he did, he did not nominate her rudely.