Reycreo_monthly MTN unwilling subscription

I've had the same experience now that I've seen many customers of MTN complaining about online. I've been signed up involuntarily, without my knowledge or consent for Reycreo_monthly at R 9.00 p/m.

I had to unsubscribe, but how can MTN do this? It may be R 9.00 but it's still theft and when they're *****ing it from a whole big group of people, they are possibly making huge amounts off of non-consenting customers.