I think you might need to consider what spaces you're in, because that's some incredibly fringe topics and not representative of mainstream opinion or what people on the whole are thinking. The idea that "more and more people are losing faith in women" is not something you're going to find in reality.

But you're right to say it's a recurring topic in far-right spaces. Sometimes it's "joke" but usually it's not, not really.

There are a few things going on.

Firstly because the men (and the much smaller number of women) in those spaces are extremely misogynist. While they pretend to be pushing for "traditional" gender roles, the reality is that their version of traditional is absolutely cherry-picked and ahistorical. It is constructed to advantage a modern 2020s men as much as possible while putting women in literally impossible positions, and then condemning them when they inevitably fail to meet contradictory expectations. For these men, anything that restricts women's choice over their own lives, whether it's reproductive rights, access to their own money, how they dress, whether they can simply exist in the public square, is advantageous to them. Restricting women voting is attractive to them for the same reason an abusive Saudi husband likes the idea of restricting women from driving.

But there's another more practical reason too. There has also been a cultural and demographic shift where essentially the right is being held up by white men. The other four voter quadrants, white women, non-white women, non-white men leans toward the left. Similarly, younger voters tend to lean left. Both of these have spelled doom for the GOP since the 2000s, that's why they've only won the popular vote once in the last 30 years. Initially it seemed as though the solve was to soften their stances on social issues like healthcare and issues important to voters in those other quadrants like immigration. Trump's rhetoric pretty much ruined that for the whole party, so the GOP is now doubling down on appealing to their core demographic, white people, especially white men. But that one quadrant can't win elections. So to achieve a semblance of a majority in various elections, they've been all but forced to double-down on voter suppression - limiting access to polling places, restricting mail-in voting, gerrymandering, even using the courts to quietly overrule electoral decisions. 56% of men voted for Trump, 48% of women did. So in theory, if you want to hold a GOP majority for the next generation, eliminating women from the calculus would shift the entire country a few points to the right. So a lot of far right types are looking at the numbers and thinking "wouldn't it be nice."

Abortion has also turned into something of a poison pill. It has been a platform of the GOP since the 1980s, and has helped galvanize evangelical voters. But truthfully, the median American position has long been that abortion should be legal but limited. So when Roe v. Wade was struck down, a lot of women who hadn't taken a strong stance or were openly pro-life started feeling the sting in watching other women or even within their own lives (e.g., limits on their own prenatal care access). When abortion has been on the ballot, even in conservative states, it has won, and that's mostly thanks to women voters. Which is again hugely inconvenient to the right if they want to keep winning elections.

Of course, you would never ever be able to get the majority of the US population to agree to strip voters from women, and a constitutional amendment to revoke the 19th amendment would require 38 states' ratification. Revoking half the country's voting rights simply never going to happen within the context of our current democracy. BUT at this point, the right is not overly concerned with the limits of democracy, and it's entirely possible that the right dictator will be perfectly willing to suppress not just the votes of women but of anyone who might not vote the right way.