The report argues that restrictions favoring European cloud providers would leave governments and businesses facing hefty bills to migrate workloads and rewrite software. It puts direct public-sector costs at €33.3 billion, with a further €80 billion potentially falling on private companies in sectors including banking, healthcare, energy, and transport.

So those €115B is the cost of decoupling from Trumpland. If governments go Linux and FOSS in their software, that will save so much money in the long run