Hamas is in trouble:

And this brings us back full circle to "Hamas's brutal assaults" on the Shia in Gaza. It is little recognized in Israel and the West that Hamas has a running battle going on with the [Palestinian Islamic Jihad (PIJ)] within Gaza, which gains new adherents whenever Hamas makes a move towards moderation. PIJ has been linked to al-Qaeda, whereas Hamas has been supported by Iran. It now seems that Iran and PIJ are allied, and so Hamas viewed itself as really attacking its old enemy, PIJ. Hamas clearly understands that these PIJ members are demonstrating their loyalty to Iran by proclaiming themselves Shia. Its erstwhile patron is supporting its enemy.

Thus, Hamas could now be in serious trouble. The spring that has helped Islamists elsewhere in the region has deprived Hamas of its longtime patrons and emboldened and empowered its enemy at home--PIJ.