It's unclear. Only stating the existence of the privacy email.

> [...] Buried at the bottom, a single line: "If you have discovered a privacy or security issue that we should address, please always let us know at [email protected]. Our security team will respond within 24 hours." I emailed the CTO directly. Six months. No response. [...]

This is near the disclosure schedule

From the article - he reached out to the CEO directly, who acknowledged and said it was being worked on by the CTO. He did this repeatedly over 6 months.