"She used the main door to avoid interacting with her fans waiting for her at the stage door, hence the term sneaking."
That's not "sneaking". She "left through the main door because she did not feel like signing", period.
Can we stop ascribing negative words and feelings to people who don't choose to engage in the stage door stuff? Sure, it's nice when people do, but it's hardly part of the job description. Geez. Entitled much?
"Get mad, then get over it." - Colin Powell