Earlier quoted context omitted.
I agree that the decision is wrong and unfair, and that it can be easily circumvented. That does not negate India’s right to legislate as it wants, nor does it prevent the Indian government from repressing citizens who choose to defy the law. It’s very unfortunate, but there is more to this case than simply negating a country’s jurisdiction or encouraging nationals to challenge it.
Cue an Australian Prime Minister saying "The laws of mathematics are very commendable, but the only law that applies in Australia is the law of Australia" [0]. Yes, India can make ridiculous unenforceable laws, same as any country, but that doesn't actually do anything: Laws only matter when they can be enforced. In this case India trying to enforce a worldwide ban on this story is clearly unenforceable. And because…
Yes, people can use VPNs to circumvent the order if the banned content is available elsewhere. But the law and judicial orders do more than just attempt to constrain behaviors.
Legally, those within the reach of India’s enforcement jurisdiction can be punished for disobeying the order. And since we’re all discussing things from a practical standpoint as well, we should keep in mind that states often uphold their interests abroad — even illegally. See the recent diplomatic row involving India and Canada, for instance.
I insist: both in legal and in practical terms, there is more to this case.