It boils down to the same thing. Demand for things men are primarily doing / willing to do / capable of doing hasn't significantly decreased. It has merely been commercialized and subsidized in a way that it isn't at all obvious the need for men is still very much there. Hence, the lack of a need for men, whatever form you imply, is not the cause.

I'm not fighting tigers but the women around me sure are happy when I can carry something alone they struggle to do with three of them. There's a significant difference between a direct display and a bunch of commercialized abstractions. All those abstractions make people forget the value others have. We just so happened to push a lot of those abstractions onto men and the value they tend to bring as men.