i started with CyberPanel in 2019 because I was under a DDOS attack and was shut off by so many hosting companies. cPanel with apach simply could not keep up.
LiteSpeed is the thing that can handle load but you have to pay a lot for a 16 core CPU like I have, so I tried Cyberpanel with openlitespeed and the DDOS suddely was not bogging down my server. customers could use it and the DDOS continued for 3 weeks!
I dont host client sites otherwise I could not use cyberpanel
and you can not cluster Cyberpanel - which is a problem when you are at scale. For that the best option is High Availability Clustering when you need more power, you simply add another server and it automatically pulls it into the cluster. - really smart stuff but their control panel is headless and not traditional.
so I use cyberpanel with all its imperfections and rely on my own smarts to secure it and have a catastrophic backup plan x2 in place at all times.
I have tried paid Cyberpanel support - its also sub par.
off topic but like you I have wasted a lot of time and here we are