The communities who don't want to consume Israeli produce ought to get it from anywhere or anyone they chose. On the other hand, they should not be permitted to impose their silly, superstitious beliefs upon other, sane thinking individuals. Finally, it must be pointed out that while shmita may have been useful at one time to avoid depleting the land, present-day agricultural techniques render that practice obsolete.
One student killed, three wounded at Arizona campus during fight (a)
from the article: Observing shmita sensibly