Do you know who owned ARM before? It certainly wasn't some nebulous cloud named "Britain". It was mostly large institutional investors in the US.
You don't buy a company the size of ARM at such enormous expense intending to ruin it.
You don't buy a company the size of ARM at such enormous expense intending to ruin it.
They do so by bringing Japan into the foreign HQ, i.e. the acquiree's top execs are replaced by the acquirer's execs.