Correct, but in this particular context, the top level comment used "Facebook" to refer to the collection of products under the "Facebook" (meta) umbrella. So saying "No young people use Facebook" implies that no one uses instagram, whatsapp, etc. in this context :P
I see this a lot in other threads pertaining to Meta/FB but its all semantics at the end of the day. And even if they are referring to "Facebook" the singular product being irrelevant, its not really informative since at the end of the day Facebook is a B2B company that sells data and serves targeted ads. It doesn't matter if they get that information to you through oculus, facebook.com, instagram, or whatsapp, and as of now, their "core" products (fb.com, instagram, whatsapp, messenger, oculus) still cover a huge market of people they can glean data from.
I see this a lot in other threads pertaining to Meta/FB but its all semantics at the end of the day. And even if they are referring to "Facebook" the singular product being irrelevant, its not really informative since at the end of the day Facebook is a B2B company that sells data and serves targeted ads. It doesn't matter if they get that information to you through oculus, facebook.com, instagram, or whatsapp, and as of now, their "core" products (fb.com, instagram, whatsapp, messenger, oculus) still cover a huge market of people they can glean data from.