Paranoia is a re-implementation of acts_as_paranoid for Rails 3, 4, and 5,
using much, much, much less code. You would use either plugin / gem if you
wished that when you called destroy on an Active Record object that it
didn't actually destroy it, but just "hid" the record. Paranoia does this
by setting a deleted_at field to the current time when you destroy a record,
and hides it by scoping all queries on your model to only include records
which do not have a deleted_at field.