remove_old_followers.rb

# Remove old followers

account = Account.find(1) # that's me babey
scope = account.followers.eager_load(:account_stat).reorder(nil)
scope.merge! Account.by_recent_status
scope.merge! Account.local
scope.merge! AccountStat.where(last_status_at: nil).or(AccountStat.where(AccountStat.arel_table[:last_status_at].lt(6.months.ago)))

scope.count # 13146

account.passive_relationships.where(account_id: scope.pluck(:id)).find_each do |follow|
  follow.destroy
  puts follow.account_id
end