I'd be interested if you could name two left backs of the same age playing in England who are better than Fernandez (or considerably better even, as you clearly consider him to be well below the required standard).
Our academy at the moment has a few good players on the periphery of the first team. Thanks in no small part to our last ditch efforts to sign a number of players from abroad before the Brexit restrictions came into affect. Garnacho, Hannibal, Fernandez, Hanson-Aaroen, Kambwala and a few others. Plus decent homegrown prospects in Mainoo, Shoretire, Gore and a couple others. Plus recently we've recouped noteworthy fees for the likes of Garner, Henderson, Elanga and a couple others. Our academy is in decent shape.