Who said I think it was the right response? As far as I'm concerned, it was a terrible response. I said "I think Israel's government chose the option...
A good question. I haven't been able to find an article that gets into the definition of indirect military involvement, so perhaps it would be better...
Even if attacks by Hamas were to stop, I think we can agree that attacks from Iran would start, and Iran has a lot more power to wage war than Hamas....