So according to your logic, each one of the bombs was hitting a legitimate military target.

Looking at a mapping of the strikes and comparing it with Hama's tunnel network it does look like they largely line up.

Assuming that Hamas military wing is around 30K, and that Israel is dropping around 400 bombs every day for about 3 weeks, this means that they had hit 82.000 “military” targets over Gaza and the signal from their government is that this war would be very long and bloody war.

Also remember that if they're targeting underground tunnels you need a lot of ordinance to collapse a tunnel from the air. And if you're choosing to not use the biggest weapons (which even amongst conventional weapons Israel is clearly not using) you likely need multiple strikes to clear out a tunnel.

So how many more “targeted” bombs need to be dropped to kill every one of Hamas?

I don't think killing every Hamas operative is the goal. Apparently there's 30-40k fighters in Hamas' army. I think the goal is to target the support infrastructure, weapons depot, etc... necessary to train and command that army. Hamas had been largely training this army out in the open before the start of this war. And Israel had been respecting their right to have an army for self defense. Now that they started a war they're trying to take out all the targets they declined to do over the last few years.

And is the human cost justified?

Unfortunately it's an unanswerable question, as questions of moral reasoning often are.

How would you feel if you are trapped with all of your family and would you consider the actions of the aggressor as just?

Oh I'd hate it. I feel for the Gazan caught in a war zone. I don't think I'd believe the aggressor to be just. I just hope I wouldn't be blindsided enough to not realize that my side was the aggressor.

What are the chances that you would start passionately hate this aggressor to deliberately putting you through this, especially if they hurt or kill some of your family members? And I want an honest answer!

Oh high. I'm human. Just because I'd make a bad decision in the same situation doesn't make it a good decision.

So now think is this like a good base for finding a long term peaceful solution where Jews and Arabs can live alongside each other without killing/hating themselves?

Honestly, yes. Gaza has self determination, more aid than any other nation of poverty in the world, a favorable trade location, a diaspora capable of generating international remittances, a foreign border and the 1967 peace treaty borders. They can choose peace. They may not; but eventually they will choose peace or they will continue to get stomped on in wars that they start.

You know if you are constantly beating your child, the chances of them turning into not a decent human being are quite high.

Gaza isn't a child. It's a nation. It can choose it's destiny. But if it was the metaphor wouldn't be a parent/child one. It would be a peers in school one. Israel would be the quite, weird kid who hit their growth spurt early and started hitting the gym because they got picked on in elementary school by everyone. And Gaza is the last kid in Middle School who still tries to pick on that kid every recess and complains that they continue to get punched in the mouth when they cross the line. That's the more accurate metaphor.