By Archis Chowdhury At the peak of the coronavirus pandemic, millions of YouTube users were watching videos in Greek and Arabic that encouraged them to boycott vaccinations or treat their COVID-19 infections with bogus cures. For years before this, several YouTube videos had already promoted false cures for cancer. The video sharing giant wasn’t doing much to combat its problem of misinformation. So, two years ago, a global coalition of 80 fact-checking organisations, including BOOM, wrote a letter to YouTube, telling them they are not doing enough to tackle the spread of falsehoods on its pla…