sentences:  There is also focus placed by pro-anarchist analysts on the many decades of organization and shorter period of CNT–FAI agitation that was to serve as a foundation for high membership levels throughout anarchist Spain, which is often referred to as a basis for the popularity of the anarchist collectives, rather than any presence of force or coercion that allegedly compelled unwilling persons to involuntarily participate.Michael Seidman has suggested there were other contradictions with workers' self-management during the Spanish Revolution.He points out that the CNT decided both that workers could be sacked for 'laziness or immorality' and also that all workers should 'have a file where the details of their professional and social personalities will be registered.'