You’re “late to the party”. This all was bitched about two years ago …
You can directly contact the Sales dept (via a webform,) but they’re really only interesting in helping you buy one of the products that Trimble is offering.
As said, Make and Free editions are (and always were) licensed only for non-commercial use.
It is generally accepted that one of the major reasons for the discontinuation of Make desktop edition was the number of users using it for commercial work.
Another was that there was just too many features in common with the Pro edition and it undercut sales.
FreeCAD, DesignSpark Mechanical, FormZ Free ?