MTN assisting ********** to drain airtime from their customers.

MTN assisting ********** to drain airtime from their customers. I have an MTN sim card in my gate opener controller, meaning that the sim card is not accessible for USSD or SMS commands or responses. According to MTN they have a double acceptance procedure before WASP services can be activated, but that clearly is a lie. When I leave the sim card active, it takes about 5 days, then up to 5 WASP services has activated itself, most of them subtracting up to R7/day. I have tried their solution how to block new subscriptions, reduced the spend limit to zero but still the problem continues. Just for MTN to allow any content service provider to deduct R7/day is ******** enough. Assisting them to bypass their own counter measures even more blatantly ********. The published workaround to block these content services involve using *136*5#. That only partially works. The workaround from *155# shows more options to block, especially the entertainment portion. But still the ********** are allowed by MTN to bypass these blocking attempts.