I disagree about the priority, they literally didn't know what they were doing or how to do it just yet. The security demands this community wants are and were completely science fiction as there is no proof of stake network that has met the goals they are aiming for, and they are simply much closer to reality now.
There was poor governance and management that debilitated their ability to function during the 3 year bear market. And they got their act together. In the mean time, more product market fit was made apparent and upgrades to the instruction set for arbitrary execution was done to the network and continues to this day.
The Ethereum network consists of many-to-many relationships for approval transactions for ERC20 tokens to interact with other smart contracts. This wasn't even foreseeable 18 months ago, and 18 months before that the ERC20 protocol wasn't even ratified.
There was poor governance and management that debilitated their ability to function during the 3 year bear market. And they got their act together. In the mean time, more product market fit was made apparent and upgrades to the instruction set for arbitrary execution was done to the network and continues to this day.
The Ethereum network consists of many-to-many relationships for approval transactions for ERC20 tokens to interact with other smart contracts. This wasn't even foreseeable 18 months ago, and 18 months before that the ERC20 protocol wasn't even ratified.