Why is KuCoin so expensive?

Could you elaborate on why there seems to be a perception that KuCoin is considered expensive in the cryptocurrency exchange market? Are there specific fees or costs associated with trading on KuCoin that are notably higher than its competitors? Additionally, are there any unique features or services offered by KuCoin that justify its pricing structure? Lastly, is there a comparison of KuCoin's fees and costs with other popular exchanges that might provide more context for the question?