It's not news (it's been years that this connection has been made). Nick denied ages ago to be Satoshi a long time ago. Failure to use google isn't journalism.
The earlier analyses where also doing writing style comparisons. So if I say, come up with an almost identical way to test newtons laws of motion, but with a slight variation, it'd be news that to discover that a = (v2-v1)/(t2-t1)?
The article also does mention that earlier analysis and Szabo's denial.