Does tempered glass protect the iPhone screen from direct drops on marble?

In Indian households with marble or tiled floors, phone drops are highly dangerous. Tiled surfaces do not flex, transferring 100% of the drop energy directly into the phone. How does screen guard protect screen layers work in these drops?

Tempered glass acts as a sacrificial shield. The chemically-strengthened glass layer absorbs and distributes the shock waves across its surface, cracking itself to save your actual OLED display panel underneath.