Is Phillip Ang underestimating the dignity of Chok Tong?

"....Lau Goh and LKY were each paid an estimated $4.123 million when Nathan’s pay increased to $4.267 million.  Just what did the ass-et enhancer, Swiss standard Lau Goh contribute
to Singapore to deserve more than $4 million as SM has remained a
mystery till today."

The above is quoted from Phillip Ang's article in the TRE on LKY and Chok Tong's more than $4 million salary. For the