OpenStreetMap Foundation investigation into unusual membership signups [pdf]
openstreetmap.lu
openstreetmap.lu
https://lists.openstreetmap.org/pipermail/osmf-talk/2019-Jan...
Also, link to the page to join the OSM Foundation: https://join.osmfoundation.org/
Candidates give their answers to the same series of questions.
Looking at the current board is pretty interesting: https://wiki.osmfoundation.org/wiki/Board_Member_Bios
The "alarm" is caused because concerted action of roughly 10% of the OSMF membership could easily tip the current wobbly balance one way or the other, and there is no guarantee that the current "hands-off, low budget approach of the OSMF would survive such an upheaval.