This is totally unresearched, but my gut says it would be much higher ROI for Europe + North America to independently source solar from their respective nearby deserts, paired with batteries?
This is already in the works and secured financing recently. It’s a smaller link but it’s a start. Also Tunisia trade electricity with Libya and Algeria; so technically they could be selling electricity to Europe through that link.
The stability of any country you rely on for power is indeed a major concern.
Alas during the previous Trump presidency, Europe saw that modern Republican 'America First' thinking doesn't just call for a wall with Mexico, a travel ban with Muslim countries, and a trade war with China - it also wants a trade war with Europe.
And linking the south of Spain to the north of Morocco only needs ~200km of undersea cable, rather than the ~6000km an EU-to-US link would call for. That's a pretty big benefit.
If it’s cheaper, vastly cleaner and viable, we shouldn’t let isolationist cynicism ruin that opportunity. Without oil from the Middle East and Russia, a lot of the world would grind to halt, but most countries cannot rely on their own reserves so the isolationist angle doesn’t even come up.
Sounds like exactly what the seller of commodity X would say to me considering not buying commodity X fron them anymore when switching to something else.