Some Movies/Series no block for Bad Language

On our DSTV we have our choice of language on 'English-Family' so that all bad language is blocked out. It always worked well. But for quite a while now we have found that this choice only works on some movies or series. My family and I like watching certain series but there are quite a few now that has bad disgusting language that we cannot block. One of them is the series 'Bosch' but the language is so bad that we have stopped watching it. And another one is the series 'The Kettering Incident'. Even many movies we cannot watch and have to turn them off bcuz the filthy language is absolutely awful! Why have this English-Family choice if its only works on some programmes? We have no warning beforehand that the 'Englsh-Family' will not be available for this series or this movie. So these programmes are often aired thru the day when children are home. But as adults we still want to be able to block out all the bad language, it is disgusting!! We don't use that kind of filth in our home and none of our friends or family use such shocking and disgusting words. PLEASE give us more control over the swearing on our DSTV.