Oh come on, HDY investors on this forum are not that slothful as to have not read and re-read an article in AFR published in April last year.Here, there's one more by the same author about the same people but published in February. Yes, these could be one of the reasons, there's so much scrutiny.
https://www.copyright link/business/how-twitter-social-media-boost-small-cap-stocks-20180214-h0w28v