>>11913007DSM and other psychological and psychiatrical referential guides are and always have been economical and political tools.
The premise? Whatever causes someone to become less productive or non-profitable may be classified as mental illness if it cannot be reduced to a physical abnormality.
Now, does loving pillows constitute a mental illness?
Does it reduce worker's productivity?
Probably no.
Is it in conflict of today's socioculture where everything goes (as long as it is sexual)
Not really.
You won't see fetishes appear in the DSM for a long time.