Depending on the country it can make e a significant difference in finances, because taxes, inheritance laws, credit scores, etc.
Finances aside, yes, for some people the ceremony is a ritual that carries heavy meaning and the ring and a ceremony is a way to strengthen the relationship. Is a ritual that is culturally significant and very significant for some. Everyone is different so just because for you and me it is irrelevant that’s not the case for thousands of others.
It’s like swearing an oath of sorts. You may ask yourself, why do they waste time in court making people say they won’t lie and why some need to do it with a bible? People still lie after all. Or what difference does it make when people hook pinkies over a promise? It’s just a promise like any other and it can be broken. But people still do these things, and they get married too.
I also didn’t get it. Only guessed yellow