First, while I can understand the relief at having a working system up and running again, it is certainly not the case that "Everything is definitely OK with the world now." This is not the right forum to even begin to list what is amiss with this world. Get back to me in 10,000 years or more.
I still think a new install of 12.4
after wiping the target SSD using Disk utility, and resetting the NVRAM, followed by a data migration or manual data install or addition, is still the safest way to proceed. Of course you will have to reinstall OCLP, and after a reboot, run the post install Root patch. Betas are not recommended for normal users, they are intended for developers, in order to get feedback to Apple. Apple's decision to release public beta versions is incomprehensible. Release candidate versions may be somewhat safer, but there is rarely any serious merit in installing a beta for a normal user, and as can be seen in this thread, there is a high risk of inducing downtime, stress and a variety of Sad Faces,
etc.
I really shouldn’t answer this, but I’ll bite.
The “OK with the world” line was meant as poking fun at myself. Nothing more. Sorry if you somehow took it personal, which you really shouldn’t have, and that shows your age. I’ll raise your 10,000 years and talk back to me in 10,000 aeons. You are way out of your league here, kid.
I have been a sysadmin/developer/tinkerer for more than 40 years, which looks like a lot more time than you have been on this earth so, firstly, I can find my way around these things. Was asking just in case it had happened to some one else and, as an engineer, it makes no sense to reinvent the wheel.
Secondly, your advice, though sound, is not necessarily the best way to solve any problem. Again, years of experience. There are, at least, 8 different ways to tackle this problem, and wiping out is not even in that list.
Thirdly, I somehow agree with your public beta rant, but I advise you to not assume that because someone asks a question is a normal user. In my case, I use prerelease versions to learn. When you grow up you’ll find out that asking questions is a way to learn.
Chill out. As you said, there are a lot of other things going wrong with the world. Believe me, you have no idea.
I stand by my thanks to the other users. They, instead of trying to be pompous, tried to help.
Nice day to everyone. Keep safe.