Hello FSFE,
(First post here.) Here is a small set of reasons why businesses should choose the Linux ecosystem to build their information systems:
http://piotr.chmielnicki.com/10-reasons-to-choose-linux.html
It is based on practical considerations, not on philosophy. I hope it could help people that are advocating for Linux.
Feed-backs welcome.
Have a nice week-end!
Piotr Chmielnicki