I'm not concinved that the patriarchy arose from nothing about 6000 years ago because I'm not a social constructionist but that is by the by. There are some interesting models here.
To take your Taoist model, there can be no real Toxic or Non-Toxic behaviours. There are just Yin and Yang. If a sufficiently Yang male happens to partner up with a sufficiently Yin female - then you have balanced. I guess that would be a very Conservative couple, in the truest sense of the word.
In a more liberal couple balance may be achieved by both parties balancing their individual traits and choosing to co-exist as a partnership. Many liberal couples would embody this model, each taking on both male and female traits within the relationship.
The problem comes with insisiting that one of these models has moral superiority over the other. That's what contemporary society does. Liberals call the Conservative (Mike Pence model) retrograde and sexist and outdated. They do this despite the fact that some highly intelligent women wholly subscribe to such a worldview (you may get one of them elected onto the supreme court fairly soon).
Likewise, Conservative's view the rebalancing of modern relationships as problematic and undermining the 'laws of nature' and sending society to hell in a handbasket. Both groups consider the other to be toxic and vociferously campaign to stick those labels to each other - in reality though, nobody has the moral high ground.
I hold to a sociobiological perspective I'm afraid. Patriarchy is the inevitable construct of mate selection and competition and is unlikely to be overturned, even by the most ardent postmodernist. However, finding balance in that system on an individual level is, from my perspective at least, a libertarian issue. Adults may choose whatever expression of that they choose - conservative, liberal, whatever. That's why I'm in a fairly traditional open relationship (contradiction-tastic)
I like your model but not your conclusion. Toxicity isn't patriarchy. Toxicity isn't male conservatism in a liberal society, nor feminist friendly liberalism in a conservative society. Toxicity is what happens when individuals or relationships are out of balance. Taoism is an ideal metaphor for that.