Part of the problem is that there are newbies willing to work for much less than 100 RMB per hour. As we say back home, "If you pay peanuts, you get monkeys".
Employers then complain about crap teachers and are unwilling to pay more. This then becomes a self perpetuating cycle of low pay and low quality.
Good teachers will often move on to other cities that pay much more. Kunming is particularly low paid. I even had one university try to offer me 1900 per month, with no accommodation, visa or flights. Really they were trying to push me to sign a 100/hour contract and be part time. No responsibility on their part.
There is always a conflict of interests between teaching and business. But as soon as you put a Chinese person in charge, it usually defaults to a cost focus enterprise. Quality is paid lip service to. Or they demand their 'pound of flesh' as they see it.
If you only pay people 50% of what they are worth, you only get 50% commitment. You also don't get continuity, many teacher don't sign on again. And so once again teachers are seen as flaky. When in fact the real issue is low pay.
I have one employer who does not pay that well. The resources are terrible, and I spend more time in class prep than I do teaching.
It is only short term, I will not renew, and they don't get my best teaching, just adequate teaching. If people have asked me if I am doing __________, I reply "No, they don't pay me enough".
I have another employer who pays me well, treats me with respect and also has most of the resources a teacher needs. The resources mean that I spend less time preparing for classes and my 20 teaching hours are manageable. They get my best teaching, which is good teaching. I also do more than is in my contract, which includes assisting and advising other staff. There is a word for this 'synergy'.
If any employers are reading this. Western teachers are not used to being treated as just another cog in the machine.
If you only think about costs and the bottom line, your profits will shrink. Because you will be the company that has teachers the parents will be unhappy with. Additionally, because this is China, the parents are unlikely to tell you that they are unhappy. The parents may just go somewhere else next time, and tell their friends.