The story goes on to explain that Uber hires former CIA operatives for research and security work. That is the problem, they’ve gone to war with critics in their markets. That’s why Uber execs’ homes are targeted.
In a brief Uber filed related to an impending lawsuit, the company details the threats its executives face on a regular basis — how “Uber operates in a high threat environment and is a ‘business that attracts a lot of volatility.'”
Source: Uber legal filing: execs face threats – Business Insider