Yes, I like it pure. As mentioned earlier in my post, it
is inevitable we speak "rojak" due to multicultures aand
multiracial society in SG. Speak what is practical and
comfortable and understood by people in general.
Pragmatic is the key word here.
Embarrassment in ignorance is forgiven. 
Like I never knew that kentang is Malay
until I grew up. 
Selamat malam kepada Pengawal Fibytprsu, Penghulu Clivebe, Putri
Cassi, Pendekar Milo, Panglima Bussi sama Pengarah Hitto
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There was never any "pure" language, in linguistic sense.
No language in the world was ever spared from borrowings and
mergers, & yes, no languages are
spared, lest the Chinese language which has been
borrowing from all sorts of languages during it's supposedly
5000 years of history.
I also would like to speak "non-impure" language at this point
of time, but when the borrowed vocab gained recognition, it become
part of the vocab of the original language.
Maybe I just want to let you know, the Mandarin which we
are speaking is already peppered with so many loanwords, that if I
tell you so, you would be shocked :
Such common Mandarin words such as below
are in fact all "borrowed" during it's 5000 years or so of
history:
