I think there are plenty of people here that would agree that the RE Events module needs a serious facelift. Here is my short list of dysfunctionality:
There are some Apps available now that, although they do not sync with RE, do a very good job of managing event guests and seating.
I would like to suggest that as Blackbaud revamps the Event module, take a look at the functionality available in some of these apps and try to incorporate some of the features available:
https://www.greatergiving.com/en/solutions/event-software
Thank you!