I'm not sure I'd quite say this. Boomers didn't close the gold window. Boomers didn't create the Bretton Woods agreement. Boomers were the beneficiaries of this wave, getting to surf on it, even as it crashed on the heads of many of Gen X, millenials, and dashed zoomers against the rocks. But they didn't create it. They just happened to buy real assets when the hard asset backing their money was still in place, and then rode the value of their real assets up even while enjoying the fruits of the labor of those who worked for fiat. They were working for fiat too, but its effect was muted, given that they had their surfboards -- as the water rose, so to did they, even if they caught a bit of the spray off it.
Now, could they have realized what was happening and been more helpful? Sure. Some have. But that most didn't isn't something I'd hold against the generation, any more than that I'd blame Gen X for the plight of Zoomers (even though X had cars in high school and college for $20,000 a year and will probably even see their social security).
There is a way in which Boomers really have betrayed those who cam later though, perhaps, which we can see in politics and in the boards of some businesses. Previous generations rose to power, and then set to grooming their replacements for an orderly succession. Boomers, on the other hand, we are seeing at every level of power in society, including two octogenarian presidents in a row, to say nothing of Mitch and Nancy in the House. I do think this is probably also tied to the money, (how can we pass along power to a generation that never even learned to have a house and kids by the age of 25 -- they never grew up?), but some of it is also tied to generational values or the lack thereof as exemplified by the hippie ethos.
Not sure if I'm agreeing or disagreeing ultimately here -- just pointing out that it's not all black and white. We'd all do well to spend more time recognizing the patterns and finding ways to fix them, rather than assigning blame. Except when it comes to London -- we should never forget that most things are their fault, and have been since at least 1689 (when the "Glorious" Revolution ended) and 5 years later, when the Bank of England was founded. Prior to that, blame the Dutch :-).