Is the Nike dominance impregnable?

So can any similar entity in that specific sports arena ever dent, let alone become a credible threat, to Darth Vader (Nike)?

The following tweets and article link are interesting.

From Eric Prisbell: "Some Adidas-linked coaches also concerned with UA's growing influence, as they should be. Under Armour is rolling. I applaud them."

A second Prisbell tweet: "One prominent Nike-affiliated coach told me he recruits players off Adidas AAU teams but not any UA AAU teams because "You have no chance."

The there is this from Jared Zwerling on Dwayne Wade's move from Jordan Brand to Ni-Ling.

This Eric Prisbell article hones in on a Kentucky (Nike) - Maryland (Under Armour) basketball recruiting battle.