It could actually, the Heat spreader is usually bonded to the Chip with some form of Indium Solder, which usually has a melting point of up to 210°C (most compositions are around 120-140°C).
Solder likes to form a similar ball around traces and components, since the solder does not stick to the silk screen of the PCB.
And I remember that this is exactly what happened in the Gamer Nexus video, the Indium Solder was melting due to Overheating.