Yeah I agree and was going to add the same thing. Immutable for newbies is going to cause trouble. I run a non immutable daily driver, but on my point of sale terminal at work - immutable all the way.
There are a few things that are just too extra to get running on that immutable system.




Back when I was in it someone pointed out that I will avoid doing a tedious task so hard that I will spend days or weeks automating something instead of just doing it.