It was for TESTING plymouth, I had just installed plymouth on my Arch box and was testing different splash screens. I just happened to run
Originally Posted by dvdhrm
from a KMSCON console. While I agree that you don't want to manually run plymouth and that no one would do that normally, I do feel like it is a bug that kmscon and plymouth --show-splash clash if you do want to one day have KMSCON being the full-blown replacement for the kernel VT's since you do sometimes want to test plymouth and it works just fine under the normal VT's.
plymouthd && plymouth --show-splash