[torginus]

They really are not - there used to be whole schools of thought on how to lay out applications in memory, using the freedom of C before C++ came along, and standardized on a bunch of solutions that are controversial in some circles - stuff like vtables and exceptions are the reason C++ is banned in the kernel.

And with things like Java, you have even less visibility. They made a ton of interviews with oldschool devs, and a most of them did things differently from how Jon and Casey do, but it's not like they disapprove, it's just with modern languages, you don't get the level of control to do this.