Usually these sites are put out as a wink to give away parts of what is planned, with the expectation that you figured out that humans lie about everything. The space aliens trope is older than you think. It came out in a big way to announce the birth of the national security state, and there are references to this in the occult milieu of the prior 50 years.
To answer the question - that is what they want to do, but there are too many interests who have no reason to run around like headless chickens. Currency schemes have collapsed before, and out of necessity vendors work out ad hoc solutions. The will of a few manipulators to create panic only works for so long. It scatters the easily defeated and those who imbibe too much ideology, but those with too much to lose work out countermeasures against these incursions. Ultimately it would rely on many millions becoming repo men and carrying out the grisly work, and that's why neoliberal managerial culture was created - to turn the whole country into the lowest forms of Einsatzgruppen they could. The result has been a steady escalation of faggotry and all the depravity inherent to the Right as a political formation, and the stripping away of anything else, leaving behind nothing but trained animals who think of nothing and have no real thoughts. Even with the vast effort spent to create these people, there are only so many reliable Einsatzgruppen, and those who are smart enough to be effective have incentives to work against the final end of this directive. It's why they want to build all these killbots and mystify tech, and why the current op is to tell us GPT-4 is Skynet. It's retarded.
Tanking the dollar, though, is shit easy, and there are interested parties that want it. The rich and their managerial lackies are already thinking of how to convert their money tokens into units of pure slavery and torture. That's the way we set for ourselves, and it has become life's prime want. Neoliberal society does not produce a single thing more than it has to in order to keep people from revolting, and they have steadily played a game of lowering standards and destroying all decencies and all expectations.