Motion vs Presence sensors. Which is best, and why?

There's different sensors I use in Home Assistant for almost the same thing in a lot of places, like turning on and keeping on lights. You can pick them up for around the same price, so which one should you choose? Which is best for your use case? If you want to pick up a cheap-as-chips presence sensor, you can grab one here: s.click.aliexpress.com/e/_DFBnIix It's an affiliate link, so by clicking, you'll support the channel at no extra cost to you.