It is only a matter of time before we have true AGI. It's a hardware problem. We don't need to wait for someone to invent a clever algorithm for this. OpenAI knows this. See...
If you're going the argument from authority route you should probably cite sources that don't say "The hypothesis is subject to questions about its validity." in the very first paragraph.
Every hypothesis is subject to questions about its validity. Including Moore's law but people still use it.
Sure, so is gravity. The Wikipedia page on gravity doesn't include such a disclaimer.