He's right in that quick glimpses at someone shouldn't define them, but ultimately the only thing most people know about Star Wars kid comes from the video.
online personas should be given circumspection, some are as true as that self thinks it can be, others are fictitious on purpose, for fun, entertainment, while others are amalgamations of algorithmic kruft that are more intended to be a saleable product than a true representation.
im wondering what would be better, to have everyone believe the truths about you or believe the lies about you, i think that would centre on which one is more convienient.
If the headline was "Ghyslain Raza says your digital shadow shouldn't define you" then I could believe it.
You can try to influence others' perception of you, but that's ultimately beyond your control.