It's more effective PR paying the media, which then report in your favor. Gates "donates hundreds of millions of USD going to practically every major outlet in the West, even European ones like BBC, Le Monde and Spiegel.<p>Here's a link, it took me a bit to find even though I already knew about it. I didn't see a single MSM outlet covering this:<p><a href="https://www.cjr.org/criticism/gates-foundation-journalism-funding.php" rel="nofollow">https://www.cjr.org/criticism/gates-foundation-journalism-fu...</a>
twitter is a tiny tiny tiny "potential audience" and is predominantly a very small "niche" audience of American's that the Gates charity is likely loathed by and thus twitter as a tiny app / website offers little to no value to an organisation like the Gates Foundation who can get million fold more value from normal media comms / marcoms and better bang for their buck than the loathing hater filled tiny little dying twitter app / website.. twitter is all but dead anyway..