"It[Stargate UK] was hailed by the British government at the time as a boost for its own ambitions to make the country a world leader in AI."
How does having an AI heat farm in the UK help with that? It's still owned and controlled by a US entity. Or is "being a leader" synonymous with "being a customer?"
How else do you propose selling the idea of giving a foreign company years of tax breaks in exchange for a minuscule number of jobs while slashing public budgets because there isn't enough tax revenue coming in?
How does having an AI heat farm in the UK help with that? It's still owned and controlled by a US entity. Or is "being a leader" synonymous with "being a customer?"