It seems you really are a critical thinking person (healthy skepticism). Whom accept as a basis that he has biais, but also that people bringing argument on table are equally biais, (if not more). And that is great for exchanging ideas and point of view. And you Present point in a logical sequence. Overall / Challenging your opinions based on facts.

About 1:
I don't know well enough the political landscape in Israel, but what is publicly visible, is there are many worrying statement made (some openly genocidal). I think this is factual.
I read that polled opinion overall to this day in Israel, is supporting the level of Violence ongoing in Gaza. even having a majority asking for more.
So from those 2 points (which I believe are true fact), i can understand the rational one would have to say, Neither Politician, nor Israeli Population is currently empathetic to Palestinian Civilians casualties.

About 2: Things I think we can agree on:
- IDF do mitigate collateral damage to Civilian. By several factual means.
- There is a lot of CODAM (Volume of it).
- IDF knows, on most strikes expectable CODAM level. (there has been 10.000 + Bombs, Guided or Not, those Bomb were aimed at a target. each Target had to be CODAM evaluated)

What I don't know. is What is consider acceptable CODAM policy. I don't think anyone serious says that IDF is exterminating Civilian. What many people are saying is that, mitigation of collateral damage is not effective, and that it doesn't seem that the force used is proportionate to the threat.
What I have a strong opinion about, is that, no, not everything possible is done to protect Palestinian Civilian to become CODAM.

About 3: If the ratio is 2:1, considering the level of firepower and engagement, it could be a lot worst, I agree. (=> doesn't mean it can't be critized and that if there are war crimes, they remain war crimes)

But here we have to trust the ratio of IDF, which are really on the "boarder" of credible data. For 2 Reasons in my opinion:
- R1/ If figures from IDF of 5000+ Hamas militants killed is true
===> that would means a hell lot of militants are disabled. In urban combat, we should expect a 1 to 5 Killed vs Wounded ratio. that means already the complete Expected Military force of Hamas is KIA or WIA.

- R2/ That the amount of overall casualties reported, and stated credible by US / UN of 16.000+.
===> I personally think, these is an absolute minimum: and even if Cease Fire Occurs Now, that full "Humanitarian" help is put in place to treat the injured Civilians. The civilian deathcount will keep going up for Weeks.

=> So i am really doubting on that ratio of 2:1. BUT, I would accept, that when this conflict End / Pause, deathtoll is properly documented and true. if 2:1 ratio in CODAM that would be "reasonable" in the overall context. (even if all agree, that best would be prison for all criminals and a free life for innocent)

But, if it is 3:1, or 4:1 (which i think where it currently sits). Then in order to accept 4:1. I would have to face that on OCT 7th, Hamas ratio of 4:1 was a barbaric civilian indiscriminated attack. But that IDF vs Hamas 4:1 is "state of the art; taking all measure necessary to protect Civilian". I mean, my brain can't process that contradiction.

To end, where you finished on a relatively factual point. Dresden wasn't collateral damage - it was directly targeting and killing innocent civilian. True

Fact: In Dresden : 60% of the city / building were destroyed.
how much of North Gaza / city is Destroyed already ? Satellite image reports already states 60%.

I hope for peace, tolerance, truth.