Sorry you have this bad experience. What is your issue?
Zoom doesn't work well? Try to disable the other Firefox extensions one by one except Zoom.

If you still have this issue, don't hesitate to contact me on this support form: https://www.stefanvd.net/support
I am happy to help you there.

Thanks,

Thanks for using my Zoom Firefox extension. For feedback or question please submit it on https://www.stefanvd.net/support

Thanks,