Bunch of ******* with lack of brains

I've been trying to cancel my router for the past few weeks. After finally getting hold of a consultant in early February and canceling in February, I get a debit order taken off in March and have had to call them only to find out the previous consultant hadn't canceled my router. I've had to cancel again and sti no notification that it's actually been done?!

Is it brain surgery? I've been asking for immediate cancelation for weeks but seems they're so stupid they can't even do that?? Genuinely confused as to where the trouble comes in??? Simply cancel my simcard and pay me back my money that was not meant to go off because of YOUR lack of brains and how to cancel something!