For general office computing or media consumption, yes, the 'standard' is indeed laptops, tablets, phones, consoles and TV's.

For locally playing with AI, those are a joke. A beefy desktop gpu, preferably with 24GB vram, a nice desktop high threaded cpu. 64GB of ram and as many TB of fast M.2 storage you can afford is the starting point.

Those OSS LLM models will eat your typical enthusiast gaming PC for breakfast.