Trust me, I lived through it, and what I said is absolutely correct.
It is true that fewer economic opportunities are available for men in some senses, but in part they've done it to themselves by abandoning higher education. Technology has changed the nature of work. Careers involving building things and manual labor have given way to service jobs. Like it or not, and I agree there are problems with it, education is the key. It's nobody's fault, just an inevitable consequence of technology.
As far as women earning more money, the data appears to show that both men and women prefer men to earn more. If men are going to give up on higher earning professions, this is going to be a problem.
A problem with MGTOW and other aspects of the "Manosphere" is they aren't grassroots movements, they're Astroturf efforts by conservative groups to sow division.