Other reasons why Van der Kuijlen's international career never took off were frequent clashes between Van der Kuijlen, his PSV teammate Jan van Beveren and Cruyff. The feud between PSV players on one side and the Ajax and Feyenoord players on the other originated in the sixties, when Van Beveren criticised Cruyff's will to play for the Dutch team. In return, Van der Kuijlen and Van Beveren's reluctance to adapt to Cruyff's ways had led to harassment from the Ajax and Feyenoord players.
Other obstacles that prevented Van der Kuijlen's international career from succeeding were recurring conflicts between Van der Kuijlen, his PSV teammate Jan van Beveren, and Cruyff. The tension between PSV players on one side and Ajax and Feyenoord players on the other began in the sixties, when Van Beveren criticized Cruyff's resolve to play for the Dutch team. This led to Van der Kuijlen and Van Beveren's reluctance to conform to Cruyff's methods, which in turn resulted in harassment from the Ajax and Feyenoord players.