Not sure what are you guys talking about ? That might be your own opinion !
Facts below !!
Juniper MIST has just 4% of WLAN market and Aruba 14-15%.
Cisco along with Meraki had 45-47% of wlan market. Many customers want to talk to just comm no pant to troubleshoot issues.
They pick Cisco for switching, routing and wireless solutions and easy to deal with just one vendor. Cisco has defeated HPE and Juniper in networking long ago. No wonder Juniper is being bought by HPE, another loser in networking area.Aruba cloud is a joke !!
Most of the customers want basic things to work as expected everyday. They are fine with Cisco APs.
Cisco stock is high !! Sales are driven by relationship with companies and cost, customer support and many other factors.