[phantomathkg]

Does it means the Wayback Machine is also unethical to you as well?

To me archiving the internet is way more ethical than putting bulk of the content behind paywall.

[cryptonym]

Coming with proper user-agent sounds ethical. https://archive.org/details/archive.org_bot

Author/publisher are owning their content. Expecting work of others to always be free doesn't sound really ethical.