Whilst that’s frustrating have you used the time to maybe also log your issue via email/website and upload any packet captures, design documents etc which would help the engineer once connected?
Is your issue an outage or configuration assistance?
Darren OConnor | doconnor@resalire.co.uk
https://www.linkedin.com/in/darrenoconnor/
I'm not an employee of Cisco/Meraki. My posts are based on Meraki best practice and what has worked for me in the field.