Yeah, Greta isn't treated as the child-guru, voice of conscience that she once was, but still,
(i) she doesn't need a surname to be recognised and (ii) Psy-Fi and his source consider her opinion to be newsworthy.
In that sense, Greta has longer-lasting fame than two other teen spokespersons: Emma Gonzalez and David Hogg, who hoped that the seventeen dead Parkland shooting of 2018 might be a wake up call:-
.....
Where are they now? If anybody knows, they should contact MTG so that she can go harrass them in the street one more time:-