> ... decided to stick to older and less expensive process nodes rather than spending billions retooling their factories and trying to keep up with TSMC and Samsung.

I would love to see their rationale for this.

> In March 2021, Mubadala Investment Company and its joint venture Abu Dhabi Catalyst Partners announced the purchase of Telegram convertible bonds worth $150 million.

Wow looks like they like to waste a lot of money.