Does Coinbase have a problem with customer support?

Could you elaborate on the current state of Coinbase's customer support? There have been some reports indicating dissatisfaction among users. Are these issues isolated cases or are they systemic in nature? Are Coinbase aware of these concerns and taking steps to address them? How would you rate the overall quality of their customer service, compared to other leading cryptocurrency exchanges? Additionally, have there been any significant changes or improvements in their support system in recent times?