Why has female mate selection policy changed from stable, reliable, fiscally responsible men to lowlives and perpetual children?

>Be 25
>Have a prestigious career in finance in the heart of London
>Wear £2000 tailored suits to work
>Well read and educated; I enjoy reading philosophy in my spare time and attended a top 5 university
>Muscular, well honed physique; I go to the gym 4x weekly, cardio and weights (PPL)
>Full head of hair
>Sociable, easy to talk to with a sense of humour.

Yet I haven't had a date in over 2 years. Meanwhile, gangbangers, drug dealers, felons and the guy who puts the fries into the paper cup in my local McDonalds all have girlfriends. Hot ones too.

When did this shift happen in the West?