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Bob Mackie himself said said Kim wearing that dress was a huge mistake and it was never intended to be worn by anybody but Marilyn. Nobody thinks it was respectful or appropriate, it was nothing but a publicity stunt. And Kim is absolutely not in law school. There are also zero similarities in their come ups, Marilyn came from abject poverty.
She didnt grow old and age horribly like Madonna.  There are no ugly pictures, no stupid instagram posts to judge her.
Any/all celebrities who die young will be overvalued and overpraised.
She's 'rated' by the standards of her day because that's all there is to look at. >

This. Even when we're looking beyond their appearance, the young dead will always be revered. Take Kurt Cobain. His music was absolutely incredible and his social views were ahead of the curve to a point where they are easily applied to today's day-in-age. Realistically had he survived the 90s we would likely have a slew of less than quality projects and some cancelable actions/words/behaviors following him around. >

Here's a quote by Ella Fitzgerald regarding Marilyn.
“I owe Marilyn Monroe a real debt … she personally called the owner of the Mocambo, and told him she wanted me booked immediately, and if he would do it, she would take a front table every night. She told him – and it was true, due to Marilyn’s superstar status – that the press would go wild.
“The owner said yes, and Marilyn was there, front table, every night. The press went overboard. After that, I never had to play a small jazz club again. She was an unusual woman – a little ahead of her times. And she didn’t know it.”  MS magazine. August 1972.
It's inaccurate to say she is overrated. True, she was a flawed person. Her childhood was awful and she dealt sexual abuse, abandonment, and trauma from her schizophrenic mother. She got married at 16 to avoid going to an orphanage. She struggled with addiction and depression, failed marriages and public shaming of her love life, and in the end pills took her life.
But, she also used her power to fight against injustices. She was incredibly intelligent, but had the misfortune to be born in a time when intelligence wasn't valued in women, so she hid that under a ditsy blonde and sex symbol. She called out the rampant sexism in Hollywood and the casting coach. She walked off a set when she discovered Sinatra was making 3x her salary. She started her own production company. As shown above, she took an active stance against the rampant racism of the period.
Marilyn deserves the cultural icon status she's acquired, and maintains 60 years after her death. Look at the uproar when Kim Kardashian wore her dress to the Met. I find it hard to imagine her as overrated. (Edit-grammar) >

I think the uproar about Kim K wearing her dress makes the perfect case for Marilyn being an overrated cult of personality, imo. 
Kim K is the Marilyn of her time. You say that out loud and her fans literally foam at the mouth - but it's true. Kim K is a wealthy, famous woman who is considered by many the most beautiful woman of her time. She is the equivalent. 
People see the dress as arrogant of her. I think this is illuminating, as not only did Kim look fantastic in it, she carried herself with grace and treated the history of the garment with respect. She divorced her husband, who treated her poorly, and went to law school. She's certainly privileged, but she's an agent in her life in a way that Marilyn wanted for all women. 
It's telling that Marilyn's fans hate Kim so much for that when, had she been alive, Marilyn herself would have probably loved the idea.