Chamber of Industry of Gipuzkoa, suspicious of the growth of the cooperatives. Arizmendiarrieta had an excellent relationship with many businessmen, whom he encouraged to become members of the Professional School, such as Juan Celaya from the Cegasa company in Oñati or José María Altuna from the JMA company in Mondragon. But the critics argued on the one hand that there was a transfer of workers from their companies to the new cooperatives, and on the other hand that the fiscal benefits of these were the basic reason for its growth. It was the deduction of 10% of corporate tax, which was dedicated to the Promotion and Employment Fund for the community. This second argument was recurrent for many years. - In the cooperatives there were no worker' unions, assuming its functions the Social Council, and in 1966 the first criticisms from leftist and union sectors began, considering that cooperativism was an insufficient solution for society, being a socialism "from the inside". These critics accepted as positive aspects of cooperativism the democratic government of the company of one partner/one vote and not based on capital, the imputation of the surplus value of work to the community, or the solidarity through the limited salary range that prevented the formation of privileged classes. But his great objection was that cooperativism admitted the principles of the capitalist free market. - In 1970 other criticisms arose from the new Basque left, linked to the various ETA groups, and their successive splits. They considered that a leading technocratic class had emerged in the cooperatives, directly including Arizmendiarrieta, who called himself a cooperative but prevented the liberation of the Basque working class. And that, in fact, was one of the reasons why the Ministry of Labor in Madrid had distributed Medals of Merit for Labor to cooperative members. In 1972 there were controversies of this nature in Alecop and in the "Basque School" (Ikastola) of Mondragon. And in June 1974, a cooperative strike took place for the first time at the ULGOR and Fagor Electronic plants, as a result of new job evaluation regulations. After unpleasant incidents, the strike ended with the expulsion of 24 partners, approved in the General Assembly. Several years later they were given the option of readmission, which some of them accepted. Likewise, from that environment the cooperativism was reproached for its lack of sensitivity to the Basque question. Influence and legacy -