That's much, much less true than it used to be. These days there's great tools for managing and modifying selinux policy, and much better reporting of what was denied, when and why, and how to fix it.
The "Selinux is too hard for mortals" thing is a relic from the early days of its inclusion into linux, and turning around this attitude is important.
The "Selinux is too hard for mortals" thing is a relic from the early days of its inclusion into linux, and turning around this attitude is important.