There is no evidence that that is true. As Sowell points, numerous problems that motivated government intervention were getting better on their own:

https://youtu.be/ZppCmAiwpvI?t=28m28s

The cryptocurrency market demonstrates this in accelerated time. The quality of offerings is far better today (though still massively dominated by marketing hype/bullshit) than it was three years ago. The amount being lost to scams was also substantially more, proportionally, three years ago.