Yeah. I gave them a throw-away email address for that "Makers" sign up page a few weeks ago when they announced it.
They immediately began spamming it. Ugh.
Lost all interest in it at that point. They really don't seem to understand their audience.
Since we're on the subject of free "Community Edition" CAD software, Siemens Solid Edge seems decent (but no CAM):
https://www.plm.automation.siemens.com/plmapp/education/soli...
Should be completely fine for 3D printing. :)