"Unexpectedly" in this context might be referring to the actual event in which they traveled from their home to their cell, in which case the unexpected nature could easily prevent them from securing the Google account.

I hardly think it matters anyway. Take out "unexpectedly" and their complaint is exactly the same. Suggesting that someone who went to jail shoulda/coulda/woulda taken steps to avoid being locked out of their Google account is not practically different from victim-blaming.