Heat radiation elements must be designed as part of the structure?

Sophie Wilson has famously said how easy it is for active silicon to get hotter than a nuclear reactor.

"Signs it's starting to stall"? Moore's 'law' has been dead for a decade at minimum at the literal interpretation, and for over two decades if observable performance is what you actually cared to measure. What does this even have to do with the research the article is about? It's not clear to me why the author felt the need to shoehorn this into the headline.