I think it's hard to miss the comparison that's actually being made in the article between the protections Assange has in the UK versus those he'd have in Sweden, as those comparisons are made explicitly in each sentence in which the ECHR protections are mentioned.
In fact, the article points out the additional protection Assange has in Sweden: should the US seek to extradite, both Sweden and the UK would need to agree.
I agree. It would seem his best odds for justice are to go to Sweden and face the music. If he's acquitted, then he should start to look for political asylum in other countries.
The only glitch is if the Swedish authorities can detain him while the extradition process to the US is being processed.
In fact, the article points out the additional protection Assange has in Sweden: should the US seek to extradite, both Sweden and the UK would need to agree.