People will start caring really fast when the job postings dry up
What are you on about? The Detroit auto industry failed due to Japan producing a superior product.
> By the end of the 1970s, the Japanese automakers dominated the domestic producers in product quality ratings for every auto market segment, representing a formidable competitive advantage (National Academy of Engineering and National Research Council, 1982, p. 99). The quality gap between U.S.-produced cars and foreign cars was beyond dispute (Kwoka, 1984, p. 518) [1]
Because it is a prisoners dilemma.
If you personally stop posting, it has very little effect on the job market.
Because other people will still be posting this content.
This, you are at a disadvantage, even if in agregate it hurts you for this content to be posted.
More likely some sort of physical reaction, hopefully not a violent one.