Why wouldn't you try to work together with these collaborators and then get acqui-hired. Would probably be a better deal. It's innovative, for sure, but I don't see this as being in the applicants' favour.
EDIT> Actually ... there is a benefit over acqui-hiring. If your teammates are unable or unwilling to forgo salaried employment, this could be a win. Could definitely bring in more experienced people who have families / mortgages, etc.
EDIT> Actually ... there is a benefit over acqui-hiring. If your teammates are unable or unwilling to forgo salaried employment, this could be a win. Could definitely bring in more experienced people who have families / mortgages, etc.