Diminishing Corporate Responsibility

As to Marxist Hacker 42's question -Does still a Japanese corporation take care of their employees well to their retirement? I replied as 'yes, overall they look after their employees in response to loyalty their employees kept on showing. Indeed in spite of the labour standard law, it has been somehow taken for granted that people once employed in a company they have to work as much as they can even if it exceeds the limit being regulated in a related law, so any way they have to work even if some are subject to karoshi- death caused by too hard excessive overwork, but they will be rewarded fully in turn.
It was already ten years ago when karoshi was raised as a social problem but for these ten years our society has been in a transit period from what is called Japan type employment to America type employment and still now is the midst of this transit period. In overall social strata in Japan remains in what it calls Japan type employment - almost unlimited dedication to the company in exchange for almost unlimited(?) reward to their employees.
For example, we used to have a minimum wage law that requires least daily wage for their employees that was around 50 dollars, but now this law was abolished. This law allowed employees to have guranty of life at its minimum limit at the same time it required utmost dedication to the companies. Of course in replace of their least guranteed wage, they were considered not being allowed to work more than one company they belonged. This law was at the same time a regulation of which company exclusively they work.
But now least wage goes to hours basis not daily basis. Companies don't have to employ thier workers in full time, obviously companies had to pay minimum wages, so naturally they wanted us to work at least 7 hours in a day fully that at the same time allowed us to earn a minimum wage.
So in sequence we are subject to work more than one company, e.g. in one company in 6 hours in other in 6 hours in another the other company in 2 hours, etc. Regulation of working hours came to be meaningless, we just work as long as we want depend on individuals. At the same time corporate responsibility over individual's pursuit of happiness and succeess came to be so ambiguous, indeed they don't have to think about 'taking care of ' their employees to their retirement instead, we -employees don't have to show our 'loyalty' to our employer. Our responsibility limits in 6 hours so their responsibility never exceeds within our limited working hours.