Why does the Store says I don't meet the 2GB requirement on a Lumia 950?

[Windows Central Question]

The Store page for Facebook tells me my phone does not meet the 2GB Memory requirement.

The device is a Lumia 950 which, according to the specs, has 3GB RAM.

What is the problem then?

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Windows Mobile 10.0.14393.448 (Insider Slow Ring)