There isn't even a nag screen. Just the unactivated status with the (odd) message you should be connected to the internet to activate.
kb3198586 for now. I didn't bother to activate it given there isn't any apparent problem keeping it unactivated
"Microsoft rolls out new Windows 10 Creators Update build 14986.1001 to Windows Insiders" Reference: no_short_urls_allowed/z4ljhny