Most EU countries with fishing quota prevented quota sale to foreign fisherman, therefore maintaining those countries volume of quota. UK was not one of those countries.
Our fishing industry was sold out by our own fisherman some decades ago when they preferred to sell their quota to anyone who would buy (mostly French and Spanish fisherman) and retiring on the proceeds.
It was the interview with Kurt Volker. Later interview with John Bolton, Trumps security adviser in his last Presidency, was scathing of Trump and Vances "performance " stating it was a disaster for America, Ukraine and Europe (and us, presumably)