So Starlink satellites are falling out of orbit at a rate of about 2 to 5 daily. SpaceX’s Satellites Are Falling From the Sky Every Single Day
This on top of the CME reaping of Starlink satellites during the 2025 mid year blasts from the Sun. Sun’s fury sends Elon Musk’s Starlink satellites plummeting back to Earth | BBC Sky at Night Magazine and the attrition rate is big over time. 523 crashes: Musk's Starlink satellites are falling from space due to Sun's fury - India Today
In previous years as many as 40 Starlink Satellites were eaten by one CME alone. However, that’s not the end of the issues for Star link. Low orbit satellites, which include the Star Link satellites, are occasionally bumping in to each other which is a risk of the Kessler Syndrome occurring. Kessler syndrome - Wikipedia . This is a cascade event risk, involving a domino effect when one satellite bumps another one (call it space pinball) which occurs as the density of the different low orbit satellite constellations’ density increases over time (Star Link, Amazon China etc.).
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So Sky Net may have a ways to go yet and may indeed have some limiting internal constraints within the model.