What is the problem with Zeon Zoysia grass?

I'm curious to know, what exactly is the issue with Zeon Zoysia grass? Have there been any reported drawbacks or limitations in its use for landscaping or turf purposes? Could it be susceptible to certain diseases or pests? Are there any maintenance challenges that homeowners or landscapers should be aware of? I'm looking for a comprehensive understanding of the potential problems associated with this grass type.