Whenever you see some corp article saying "x uses AI to do y"

"X uses machine learning to identify patterns that mean a machine can do Y"

Simple application of an algorithm that lets you separate things out quickly and easily.

Self driving cars? Machine learning that avoids stuff and keeps to a route.

The intelligence is in the people that wrote the algorithms & worked out how to encode things so it became tractable.

More powerful processors means this happens more often.

That's it.