Ethereum only launched in 2015, which is 8 years ago, and introduced a paradigm shift in business processes. The most recent comparably paradigm shifting technology was the internet, which first launched in the 1960s, and took 40 years to achieve widespread adoption.
The last eight years has seen significant development to build the building blocks for a usable distributed ledger:
The last eight years has seen significant development to build the building blocks for a usable distributed ledger:
https://news.ycombinator.com/item?id=31797395
It would be very good if the privacy building block wasn't prohibited by counterproductive security state ideology.