Think you've misunderstood 'keys'. These are the key that the band plays in and the completely different key that our entrant tends to sing in.
Come on Ireland, do the right thing...
To be honest, I'm not much of a fan of most of the best selling stuff and would be happy if Elton was an obscure bar piano player in Kristiansand. You're no doubt right that the lack of a language barrier made it far easier for British acts to crack the US. However, you also have to remember...
The original German language version was a hit in the USA. The English version is not well known over there. Same in Australia. There was only one country deemed too chauvinistic / anti German to buy the original.
However, us trying in Eurovision does feel a bit like Tuchel picking Premier League players to avoid U23 relegation. The UK has 4 of the top ten best selling music artists of all time and over 20 in the top hundred. The Australians sneak into the top twenty with a band that were over 50%...