Instead of a cold "Turn it off!" message, try these more engaging approaches: AD Blocker Message | Firefox Support Forum
: Sometimes a site claims you have a blocker on even after you’ve disabled it. This is often due to other privacy extensions like Ghostery or built-in browser protections. Attention, you have AdBlock turned on again!
Depending on whether you're a website owner looking for a polite way to ask or a user trying to clear the message, For Users: Why You See This & How to Handle It Instead of a cold "Turn it off