Yes, of course I do, but there's always some degree of mutability. Eg. typically you'd mount some local volumes into container for example...
But even with "escape hatches" programming in container is very painful and uncomfortable. I've only ever seen this done by people who chose to work on a very restrictive system (perhaps for its appeal to their aesthetic feelings rather than any practical concerns). Or, maybe, their employer has bad IT, which both strictly enforces the rules and creates rules that acutely inconvenience the employees. In either case, it's a big hit to productivity. But, in some cases, there weren't much in terms of productivity to begin with (the programmer was bad with or without good programming environment), so the losses are imperceptible.
