WOTC - Grading of maid agencies

I asked this question in the Wisdom of the Crowd:

What is the problem with launching the grading of maid agencies?

Here are the responses: (31 Votes)

32 % - The maid agencies do not like the controls by the MOM.
26 % - It is too costly to the maid agencies.
26 % - The consultation process was difficult to handle.
16 % - MOM tries to set a high standard.

See the pie chart at: 
http://www.wisdomofthecrowd.sg/chart.aspx?ID=1093