EEGLAB developer Arnaud Delorme was processing Muse data with EEGLAB part 1 – 4 & has published the results on YouTube – are these results from a paper which was rejected by a scientific journal?

EEGLAB developer Arnaud Delorme has written a lot of papers: https://scholar.google.com/citations?user=Wmxh4LkAAAAJ&hl=de&oi=ao He has been cited 38 ` 567 to this date. But then he published a series of 4 YouTube videos about the Muse and EEGLAB: Why does a scientist like Arnaud Delorme test the Muse with EEGLAB and then publishes the results on YouTube? …