Meraki's Z series devices are designed to get remote workes online by rolling an MG (wireless gateway), MX (security appliance), MR (wireless access point) and MS (switch) all into one device.
Z series devices provide far more secuirty an connectivity back to a corporate network than a home or ad-hoc network provides.
Typical use cases:
C-Level working from home
Remote workers needing robust corporate network access and enterprise grade security
Small sites / deployments with up to 5 devices needing network connectivity eg. remote sensors or outposts
Where Z devices fit in the network