This article is a naked attempt to deflect from the understaffing problem. People don't strike for money--when you go on strike you never get the lost salary back. You almost never get enough of a raise to economically justify going on strike, ever.
Nursing supply is not artificially constrained like doctor supply. Nurses can much more easily move jobs and locations. What is driving up nursing salaries is the fact that the job sucks and drives them out of the field--generally by burning them out.
And, it's generally not caring for people that is the problem. It's almost always the fact that the hospitals are monopolies and understaff their nurses. It doesn't matter how much you are paid, you simply cannot do work that requires two people. And, when things go wrong, the hospital and the doctors will try to throw the nurses under the bus.
NHS nurses (and junior doctors) pay is disgustingly much lower than in the USA.