Well, put everyone (just about) on the same email platform and presto, you have no more spam!
No, the turn comes to the platform [provider] to spam you
Though Siri now responds to such queries with a "That's very funny", the software at the time actually responded with the following:
What kind of place are you looking for? Swamps. Reservoirs. Metal Foundries. Dumps.
I am saying that the fact that they changed it is implicit that they are telling us what not to do. This is in common with what Google and MS (reporting someone to the authorities is a good way to tell them not to do something) do but not identical.
If you need a more accurate comparison it is probably the censorship of search engine results in this case. And with this precedent the problem will be other places will start the censorship of search engine results in order to tell you not to do something.
"More software projects have gone awry for lack of calendar time than for all other causes combined." -- Fred Brooks, Jr., _The Mythical Man Month_