If you can be so abusive to your customers and provide such a terrible experience and people still line up to do business with you it's a sure sign that you're basically a monopoly.
If you have no serious competition you have no incentive to do better.
It's buggy and I use it enough to know a lot of the bugs. Lately though it's buggy when trying to publish new ads and updates to ads. It's super frustrating.
If you have no serious competition you have no incentive to do better.