Good critical thinking, but push further. A complete blackout is almost impossible in this age - especially in an area that's a global focus. There's too many points of access across too many differing technologies. On a broader note, carpet bombing isn't subtle and even if the area was a complete blackout, you can see that shit from surrounding countries.

Area wise, it's a small space. Different terrain. Ukraine is a sprawling country, Gaza is a narrow, dense strip. It's the difference between bombing victoria and bombing flinders street