Easy to say "YES" but NO WAY to say cancel or NO

My elderly parents have been trying to cancel this insurance for more than 4 months already. If you call the call center (More than once) and as soon as they hear you want to cancel they transfer you from one person to the next (After hour of Micky mouse games phone disconnects), Tried going the electronic route (E-mail), they just refuse to cancel (Even after various attempts), every month my elderly parents have to go back to the bank, Re-cancel debit-order and reverse payment(s)- every month the force the previous months cancelled payments also.

All response from NO WAY insurance is reply email on Cancellation email to say they tried calling on number (3X numbers supp**** - 2X for my mom and 1X for my dad), - It really is scary how easy it is to say "YES" to MiWay and your "Covered" via PHONE, but have NO WAY to say NO or CANCEL - They just continue to force themselves onto your bank account monthly (Debit order cancelled at bank) - It should be ******* and be classified same as **** To me it seems the only way to cancel MiWay is to close your bank account. It should have been called NO WAY.