This whole thread's killing me, but that's a hazard of staying
connected to the community :>.
Goodwill's mission is to provide jobs and training.
A bio of the founder, Edgar J. Helms, availible at
http://www.makeadifferenceusa.org/honorees/helms.html
alludes to this.
The fact that these jobs and associated training sometimes
involve sorting and selling donated used goods as a means to
that end doesn't exclude a museum. The museum could very
well also provide employment in a similar manner, and be
within their "charter."
--Mike