According to this https://www.theregister.com/2020/08/18/powershell_71_preview_6/:

While the Linux useragent continues to be responsible for the lion's share of daily usage (and Ubuntu the distro of choice), Windows has continued to rise in popularity, according to the figures.

which surprises me just a little bit, considering this was a tool originally designed to bring more advanced command-line facilities to Windows, not Linux.

Maybe they should fix those Linux-specific bugs http://www.theregister.co.uk/2016/08/23/your_wget_is_broken_and_should_die_powershellers_tell_microsoft/ after all...