I do think the economy is different. You've always been able to just hire a bunch of thugs to stage an event to shape the narrative, like old-school cold war style. That takes money and effort and a modicum of skill and the risk of being caught with your pants down is not negligible.
Difference today is you can stoke the flames of public outrage with just a few people, without even setting foot in the country, while maintaining a lot of plausible deniability, since the modern playbook relies heavily on uncertainty and confusion, meaning you can safely target allies without significant risk of being caught (even if you're caught, you can deny it and say it's hostile propaganda).