Distro hopping is not a mandate. The point is to discover the way some distros work, how you interact with them, how to tinker.
If your first (or current) distro meets your needs, you're golden.
For reference I went Ubuntu -> Debian -> Arch (btw). Now I run Debian at work and Arch at home. Feel like I need nothing else.
What is your favourite aerospace company? For me it's Lockheed Martin.