I think the point is the definition of toxic masculinity that you are using differs from that of some of the other posters.
As I understand your definition toxic masculinity is the pressure society puts on people to conform to negative masculine roles.
My personal definition would be people expressing there masculinity in a way that is hurtful and belittling of others.
They both are part of the same problem where society creates and perpetuates and pushes people to toxic expressions of masculinity and that in turn hurts the public in general. Which looks something like:
Society -> Masculine Roles -> The Public
I'd call the negative expression of that chain Toxic Societal Norms and the second part would be Toxic Masculinity. In both cases it's the noun, societal norms or masculinity, that is the source of the toxicity.