Aside from variable performance of the sector at large, charters are not financially viable organizations in the long run. (voices.washingtonpost.com)
However, they are not always as good for building viable organizations. (slaw.ca)
Meanwhile, Teresa May, a reluctant Remain supporter and an absent figure during the referendum itself, emerged as the only viable leader after the event, in the same way as (in a very different context) the Muslim Brotherhood, as the only viable organization, were able to assume power after the first Egyptian revolution. (blog.politics.ox.ac.uk)