Very interesting! I noticed a similar phenomenon in the GIS space. All of my colleagues with formal training in GIS use ArcGIS and its Python API, but those without such background gravitate towards FLOSS solutions.
I am aware of only one case where a community migrated to other software. Many economists I know switched from Stata to R. Some of them later moved on to Python.
I am aware of only one case where a community migrated to other software. Many economists I know switched from Stata to R. Some of them later moved on to Python.