Conspicuity squawks for non-radar units are far more useful than ORCAM/CCAMS in an unknown traffic environment.
The attitude of ATCO Fred and others does worry me. It may be possible to guess which unit is providing the aircraft with a service if there is only 1 or 2 units using these codes in class G. But that is not the same as knowing and if this practice spreads.....
Is it really such a "no brainer" to work traffic on what is no better than a 7000 squawk?