I guess you didn't bother to watch the video that is TFA. Greg K-H mentions that if you're going to use LLMs to do bug-finding, you should use open-weights models that run locally and "harnesses" built by members of the community You really should watch the video to hear his reasons for why.
There's nothing wrong with LLM-the-technology. There's everything wrong with the major LLM manufacturers.
Not even a little bit, no. Go back and read carefully. [0][1][2][3]
[0] <https://news.ycombinator.com/item?id=49943382>
[1] <https://news.ycombinator.com/item?id=49944036>
A careful and honest reader notes that I've never claimed or suggested that there exists a software project that will never get better with enough time and appropriately-focused effort.
But, the single thing in this thread that statement by GK-H addresses is your claim [0] that
...nobody seems to be talking about any real [alternatives to using LLMs provided by the major LLM manufacturers]...