Average of what?
The US has an average suicide rate of 13 per 100,000 per year, Facebook has 40,000 employees and right now a single suicide. They'd need at least 4 more to meet the average this year.
I'd like to know what this person actually did for work. The media tends to ambiguously use terms like "tech worker" without specifying whether they are technical or non-tech employees at tech companies.