But the thing is, LLMs are already incredibly cheap to operate compared to the alternatives. Both for trivial things and for complex things.

Well recently cursor got a heat for rising price and having opaque usage, while anthropic's claude reported to be worse due to optimization. IMO the current LLMs are not sustainable, and prices are expected to increase sooner or later.

Personally, until models comparable with sonnet 3.5 can be run locally on mid range setup, people need to wary that the price of LLM can skyrocket