

Nothing is necessary in particular, but a choice among options.
We desensitize people to compassion, we dogwhistle people into racism, we train people to ignore dishonesty, we make people comply with authority even if they are wrong, we make people believe in science instead of understanding it, and some more.
This is to make people accept their jobs and create the things that are needed.
In general, people don’t do stuff on their own. So overall the manipulation is needed if we want to have more than hunter gathering. This can be seen as malicious, but also as benevolent.
What do you mean?