This has to be sarcasm.
If it did not have that snark though, one could make the point that the data could still be 'deanonimitized'.
This is a guess, but I suspect the point had to do with data privacy. Maybe someone wrote legislation that prohibits public websites from hosting ads, or third party browser-tracking software. And google maps fits that.
In the parent comment, there's also this bit:
> but it is a lot cheaper than google maps
If true, this is an example of government regulations working as intended, and saving money.