There is much truth in your article and analysis, but it is based on the wrong assumption that it was Hamas which decided to escalate, and even to initiate the current hostilities. Another possible assumption is that Natanyahu and Barak chose to escalate, for political or other reasons.
12 Iraqi troops, militiamen killed in multiple ISIS suicide attacks (AP)
from the article: 'You didn’t knock me out!' - The horrible logic of Gaza escalation