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It's not DRM. It's token-based authentication. Are you against token-based authentication? Are you against Software-as-a-Service? Are you against membership-based organizations as a concept? Are you against board voting by stockholders? If you're not against these analogous concepts, why would you be against NFT-based versions of this?
One difference with NFTs is you retain the right to resale and transfer at all times. Which is totally different than DRM.
As for Proof of Stake, it's already live: https://ethereum.org/en/eth2/beacon-chain/ It was shipped in December of 2020.
The remaining component is the Merge, which merges the Proof-of-Work chain with the Proof-of-Stake chain: https://ethmerge.com/ . That is coming this summer. The Ethereum community is almost 100% behind the merge, so it's highly unlikely that ETH forks over it, and even if one occurred, the forked chain would not succeed.
It doesn't. Just demonstrates how nascent this space really is.
Decentralized exchanges for fungible assets already exist and work extremely well (and I prefer to centralized exchanges whenever possible), such as Uniswap (https://app.uniswap.org/#/swap), Curve (https://curve.fi/), and Sushi (https://app.sushi.com/en/swap).
Decentralized exchanges for NFTs are being worked on. No one has quite nailed the full end-to-end user experience yet, but it will happen. It's inevitable.
The first transaction was a bit "rough", but perfectly valid. Lot of progress since then.
From [0]: The ERC-20 (Ethereum Request for Comments 20), proposed by Fabian Vogelsteller in November 2015, is a Token Standard that implements an API for tokens within Smart Contracts.
Note: yes, ERC-20 has a few flaws, and subsequent ERC have improved on it.
[0]: https://ethereum.org/en/developers/docs/standards/tokens/erc...
[1]: https://github.com/ethereum/EIPs/issues/20