Earlier quoted context omitted.
Legal marriage is decreasing. You can draw on more benefits as single from the System. Legal marriage also leads to pathological complications in terms of seperation in some states.
A substantial population of men are also deeply concerned that a legal marriage will end in a costly, lopsided, and devastating divorce. It is no secret that women have the advantage in such proceedings.
And although not very gendered, it is a shitty contract where the worst clauses have extremely high rates of occurring. Even when isolating to later aged upper middle class economic equals, a 10% rate of triggering the worst clauses in a financial contract is extremely bad.
You simply can't decouple the financial aspects of a financial contract just because how someone might have been conditioned to romanticize an overarching concept.