@elly About (1), just recently have seen somewhere a post about "The sender uses LLM as 'take this short dry message and make it more formal', the receiver uses LLM as 'give me a summary of that ocean of words', so maybe we rather need to rethink communication standards than using computer resources?…"
@elly overall I agree with you but I should say that LLMs are absolutely amazing as tools to summarize docs and act as a natural language interface to them and the energy efficient local models do that very well, if it's a common doc or you use a RAG you'll spend very little time and power learning how certain things work (and double checking is easy) but I legit wouldn't know where to look for inspiration for many of the stardust APIs I want to implement. It's not revolutionary, it's just an evolution that's being abused.
For image generation, while most of it is AI slop there's some genuinely amazing use cases like krea.ai which lets you draw and it applies a filter meaning you can sculpt something 100% yourself and it makes it photoreal in realtime, so you adapt your drawing to get the output you want instead of generating from a stupid prompt. It's also very energy efficient, it's 1shot 1 iteration on not that powerful a card!