Earlier quoted context omitted.
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In the same sense that you do.
No, in a much more direct sense. By the time a Starlink sat re-enters its fuel is gone so it’s mostly a pile of silicon, solar panels, lithium batteries, aluminum, etc.
The circuit boards are probably the goofiest chemical compositions but they represent a drop in the bucket mass-wise for the sats and pale in comparison to how many circuit boards get blown up every day in Iran/Ukraine/Russia.