On facebook you are the product in the sense that they sell access to your eyes.

On linkedin you are the product in the sense of aiming to the network effect (and also for ads I imagine)

If I am the product on warp in the sense that websites hosted on cloudflare are faster it is not that bad.

(it is your choice to trust them or not, but that truism just says that the profit needs to come somewhere and you should be aware of it)