$cleanInlist() in findAll() is a little overzealous

[chapmandu]

What problem does $cleanInlist() in findAll() solve?

https://github.com/cfwheels/cfwheels/blob/master/wheels/global/internal.cfm#L139
https://github.com/cfwheels/cfwheels/blob/master/wheels/model/read.cfm#L56

From what I can see it transforms a sql IN operator statement from:
IN (1, 2, 3) to IN (1,2,3)
IN ('foo', 'bar') to IN ('foo','bar')

This is fine until you try to do this (note parenthesis around the address):

userid IN (1,2) AND (address = '1 Foo Street, Barville') in which case (due to the presence of "IN ()") it is modified to be userid IN (1,2) AND (address = '1 Foo Street,Barville') which is not desirable.

So my questions are:

What problem does this solve? (Is there a fussy database engine that doesn't support spaces between commas?)
Could it be safely removed?

[perdjurner]

I can't remember but this seems related:
#564

[chapmandu]

I'll do some more experimentation.. Thanks @perdjurner for the hint!

PS. Good to see you!