If the BOM were going to manipulate the temperature record then they would surely choose the stations that were used to compile the temperature record, not stations that are not used.
How do we know they don't? They just happened to get caught with this one.
Once again, raw data is not pristine data.
Yes it is, by definition
pristine
ˈprɪstiːn,ˈprɪstʌɪn
adjective
in its original condition; unspoilt.
Once you do anything to it, it's manipulated data.