Why do other Premiership clubs want Celtic semi win?

[Getty Images]It is not just Celtic fans who will be willing them on in Sunday's Scottish Cup semi-final with St Johnstone.Those who support Hibernian, Dundee United, St Mirren - and maybe even the more pessimistic Aberdeen fans - will also be hoping Brendan Rodgers holders win for one simple reason...A final between Celtic and Aberdeen - regardless of the outcome - will mean the top five finishers in the Scottish Premiership will be guaranteed Europe next season.Why is that?The Scottish Cup win