Coz they are not willing to take more burdens into Canada.
They are more into hiring temporary workers from English Speaking countries like Ireland.
Temporary workers dont fall into many social welfare schemes yet contributing very efficiently for Canada.
Moreover, They want their industry leaders to choose who should come to Canada and who shouldnt.
No movement, Not a single MR recently from CHC Singapore.
you just gotta wait. http://www.ctv.ca/CTVNews/Canada/20120317/canada-irish-immigration-120317/