From "Happy Hacking" to "Screw You"
The article suggests that a Meraki software upgrade has made it impossible to reflash them.
Actually, you can still easily make them revert to an earlier version which can be reflashed.
As described here:
"you can ssh into the Meraki and create edit the /storage/config.local file with whatever you want; in my case:
echo "firmware.mips.version 6-9163" > /storage/config.local"
And they'll update themselves to an earlier version.
The founders of Meraki have made huge contributions to open source software and it is good to see that others are taking advantage of their great work and making further improvements.