Why couldn't bitcoin be hosted on the internet?

Why couldn't bitcoin be hosted on the internet?

I was wondering why bitcoin wasn't hosted on the internet? Why create a completely separate decentralized network, I thought the internet was already decentralized. For example, couldn't they have rented a few amazon ec2's or some other servers hosted on xyz host and call it a day?

(Sorry for newb question)

https://ift.tt/2MiBQ0h

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