[hanniabu]

> You can't just assume away criticism of technology with the assertion that things will improve in the future.

Unless you're aware of the topic and know that it will continue to improve.

> Blockchains are fundamentally not scalable; since the more throughput a blockchain has, the harder it is to run a node

Statelessness

> Another current problem is the massive energy usage of PoW blockchains.

Proof of Stake

> Concerning is that the biggest cryptocurrency by market cap seems to have no plans to research fixes to these problems

Which is why almost all innovation is happening on Ethereum. Many people look at "crypto" as just bitcoin as if that's the only option.

> Perhaps these problems can be overcome (ETH is trying)

Indeed they can and are being overcome on ETH