It sure is.
If you had told people in 2019 that a computer program could summarize large topics and write cogent output you would have been placed in the asylum.
Whats different these days is people might actually trust the tool enough to use it :)
[1] https://www.officetooltips.com/word_2003/tips/getting_to_the...
Leaving aside the mind-blowingly large amount of research on summarization that existed in 2019, I'll say this: by then the task was so we'll understood that there were multiple tldr bots on Reddit.
