Could it be that a company dedicated to promoting, analyzing, integrating, and categorizing open source software wanted to use an open source solution themselve

Could it be that a company dedicated to promoting, analyzing, integrating, and categorizing open source software wanted to use an open source solution themselves? And although the open nature of Java can certainly be questioned due to the manipulations of Sun (and now Oracle), it's certainly more open that .Net, at least since 2007.