If you get rid of the notion that legacies are limited to BA and Virgin then you have a point. The old "charters", TCX, Thomson, Jet2 and Monarch are spread as far and wide as the LCCs.
But attracting just piloting talent isn't good enough. You need to attract talent from every discipline. I'm of the opinion that LCCs have had their day and we are going to see for a long time a bit of a stabilisation period. The LCCs have annoyed enough of the "untravelled" public to warrant them wanting suitable alternatives.