More than 500 Palestinians dead and climbing and you say Israel is trying to minimise casualties? Do you seriously expect people to believe that?
Absolutely, yes. If Israel were actually out to cause casualties, rather than to prevent them, the death toll would be enormous. If they were merely careless of civilian casualties, the death toll would not only be higher, it would be statistically correlated with the demographics of the Palestinian people, with deaths of women, children, and the elderly roughly in proportion to the size of those groups in the general population.
Instead, the Palestinian death statistics are massively skewed towards males aged 18-38. That can't happen if you're killing civilians either deliberately or carelessly. But it's exactly what you'd see if you were carefully targeting enemy combatants.