In the context of the tournament, sure. But before that? Olmo, Yamal and Williams are great players, but I don't think they have done enough (yet! Will probably change in at least two out of three cases) to be picked over the English alternatives.
Cucurella

not that he's been terrible, but that's just an illustration of the extreme shortage of good left-backs in both countries.
Anyway, hope I'm wrong and the Spanish three behind Morata waltz (or rather flamenco) their way around the English backline.