Too much 
I have searched some point to point queries, yet what I get is
inefficient routings
Example 1: Le Havre, France - Laem Chabang, Thailand
Le Havre - Singapore PSA Terminal - Malaysia Tanjung Pelepas - Laem
Chabang
Flaw - There is direct feeder service bet Singapore and Laem
Chabang provided by SAFmarine 
Example 2: Haldia (West Bengal), India - Qingdao, China
Haldia - Malaysia Tanjung Pelepas - Singapore PSA Terminal -
Qingdao
Flaw: MCC Tpt provides Haldia - Tanjung Pelepas - PSA - Haldia
service
Example 3: Jakarta, Indonesia - Hong Kong, HK
Jakarta - Singapore PSA Terminal - Malaysia Tanjung Pelepas - Hong
Kong
Flaw: There is direct AE5 service from Singapore - Hong Kong
Example 4: Antwerp, Belgium - Kuching, East Malaysia
Antwerp - PSA Singapore Terminal - Malaysia Tanjung Pelepas - PSA
Singapore Terminal - Kuching
Flaw: Obvious