Has modern love turned into short term dating and strict perfection tests?

I was interacting with some sociology students especially women who wanted to be in a short term relationship only, and many of them were kinda just being hypocritical about that as well.
Like if they find someone really really good then they would be the house wife.
And if not then just use the men until they can and move on to the next one.

I know being single or a temporary relationship is better for women than marriages cause it binds them down and into a bad cycle.
I just don't understand why the hypocritical nature towards a specific person.
Isn't the idea behind a relationship to love someone and accepting the flaws or to improve each other?
I just have a tiny issue with the part where they will settle for someone only deemed perfect, and only a handful of people fall in that category everyone else might suffer.
I feel a bit cheated by their plans.
Has modern love turned into short term dating and strict perfection tests?
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