Offline syncing can be disabled at the list/library level or the site level (which will disable it on ALL lists/libraries in the site). This more recent video shows how to do that with Powershell. So, not "one click", but "one cmdlet" (once you're connected to the site using Powershell).
Is there a one click method to turn it off for alle SharePoint List in a Tenant or on a Page?
Offline syncing can be disabled at the list/library level or the site level (which will disable it on ALL lists/libraries in the site). This more recent video shows how to do that with Powershell. So, not "one click", but "one cmdlet" (once you're connected to the site using Powershell).