They believed that the sick formed a revolutionary class of dispossessed people who could be radicalized to struggle against oppression.
The SPK established a "free space" for political therapy", re-framing illness as a contradiction created by capitalism which could be embraced to bring an end to the system which gave it life.
Additionally, according to the SPK sickness had the advantage of being familiar to everyone, hence everyone was a potential revolutionary so long as they disavowed the medical establishment. Like other anti-psychiatry experiments, such as Kingsley Hall and Villa 21, SPK questioned the patient/doctor paradigm and ultimately called for an overthrow of the "doctor's class".
Accounts notice the brutality, legal irregularities and other sort of abuses which surrounded the case, and they also notice this was part of a disinformation campaign against SPK due their revolutionary positions, and thus SPK was criminalized as part of a political persecution.
The SPK assumes that illness exists as an undeniable fact and believe that it is caused by the capitalist system. The SPK promotes illness as the protest against capitalism and considers illness as the foundation on which to create the human species.