If you were a Russian businessman or executive, would you stay away from windows?

It seems that there have been an unusual number of top Russian executives dying lately by so-called suicide. Many have fallen out of windows.

Here’s an article about it:
https://www.cnn.com/2022/09/02/business/russian-oligarchs-deaths-intl/index.html

Does this seem a tad suspicious to you? And if you were one, would you be watching your back and not looking out of windows?