There are a lot of people that can teach all they know about carpet cleaning to a monkey off the street in 15 minutes. The last people that know they are doing a terrible job is themselves, as their customers will just contact a competitor and relay the story of the terrible job that they had done last time to them.
The monkey in the street carries on oblivious and in the mind that he is doing the same standard of work as anybody else.
I have been called out to jobs that other people have done where polypropylene carpets are still sowing 34% moisture 24 hours after cleaning.
I have seen some really stupid things done by other carpet cleaners, so when I have a customer on the phone I do make it clear to customers that the services available do vary drastically.
This is not a new thing it happens in all industries and walks of life there are always those that think that money is more important than the way that they come by it.
Peter