Earlier quoted context omitted.
You're right, attacking civilians is bad. So what does it say about a nation when it kills at least fifty thousand? ( https://www.thelancet.com/journals/lancet/article/PIIS0140-6... )
Again, you are not differentiating between targeting and collateral damage. Hamas broke a ceasefire and targeted civilians. Israel went in to destroy Hamas with the unfortunate result of civilians dying as collateral damage. When you say 50k, there are several problems. For starters you are quoting the Gaza Health Ministry which is Hamas and is provably unreliable. On top of that about 40% of those are Hamas fighters…
https://www.politico.eu/article/israel-funded-hamas-claims-e...