Is "Spark Gap Erosion - Unmating Under PoE Load" a Serious Issue For PoE-Enabled IP Cameras ?

Reading the latest issue of a cabling industry magazine, and one famous manufacturer pointed out a problem I was not aware of before:

Spark Gap Erosion Caused by Unmating Under PoE Load.

Is this a really serious issue for PoE enabled cameras or just publicity to sell more of their premium "crowned contact geometry" plugs ?

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