Under trade union pluralism means the competition between different unions . The supporters see trade union pluralism as a logical consequence of the social pluralism of a free democracy. While pluralism is undisputed in the economic field (protection of competition, anti-trust, press, etc.) or among political parties in general, views on union pluralism diverge. Critics accuse union pluralism of weakening the unions and thus the workers because it splits up the unions. You refer to the closed front of employers, which is also closed by means of unified trade unionsmust be met. The transfer of the principle of competition to the union idea is a purely mechanistic approach that ignores the real background of the meaning and benefits of the union.