Because someone has put in shedloads of work into it.
So, at the very least, they deserve credit AND they get to decide where it's published, how it looks etc.
Ripping it off also damages SEO of the original etc etc.
Why copy and paste the entire article? Disrespectful to the author/publisher, imo.
Direct link is here: https://theeaglesbeak.com/2017/08/01/brighton-why-brighton/