Why is a stable network important for Multi-User Mode?

https://quickbookhelpdesk.com/blog/configure-quickbooks-multi-user-mode/

A reliable network allows all users to communicate with the host computer and access the company file without interruptions. QuickBooks Multi-User Mode allows multiple users to work on the same company file simultaneously, improving collaboration and efficiency. Most configuration problems are caused by incorrect folder permissions, unstable network connections, outdated software, firewall restrictions, or improperly configured host computers.