That really is ridiculous, isnt it? Swansea are in the English football league pyramid, their academy players really should count as home grown.
Yes- I understand the Dier one but this one is hard to swallow. I am guessing it has never been addressed as the Welsh FA are worried it may effect their ability to have a national team (similar to team GB in Olympics). I looked into it a bit a while back and other than a handful of cases in Europe its only really Cardiff / Swansea it effects/