That way you wouldn't get the hard-to-justify (except to their mates) sky-high remuneration packages, while paying others at or below the minimum wage level.
The income limit for compulsory sickness insurance was indexed to changes in the wage level (1970) and the right to medical cancer screening for 23.5 million people was introduced.
If workers supply more labor than firms demand, then the wage level should fall so that workers will work fewer hours and firms would demand more labor.
The 18th-century deindustrialization was in large part a consequence of a too-high real wage level, combined with protectionist policies of foreign governments, closing access to major markets.