A linkshell owner should be able to exile any member with impunity. Even if it is not technically possible (right now) when a GM or staff request is made by the owner to exile a player from a given linkshell it should be carried out and not treated just as an abuse report. It is the owner's right to moderate and control their linkshells as they see fit.
You cant stand next to someone if they are hiding in their inn.
Even if there is no abuse. Falling out between linkshell members happens all the time. It would be in the greater interest and peace to not limit the range of moderation commands.