Tell them that such concern is not a big issue in SFI system because the solution is already built-in with the operational concepts of SFI. The S-BUILDER COOP of SFI is the solution of such. You can direct them to this site: https://www.sfimg.com/PowerTools/SBuilder, for their better appreciation how easy is building a team with SFI even if they are not that networking inclined person.
