iRobot founder Rodney Brooks warns of a humanoid robot investment bubble, citing their inability to master fine motor skills despite billions in VC funding. Industry experts echo skepticism, noting safety concerns, unclear timelines, and limited real-world applications. While Tesla and Figure face deployment delays, some startups like K-Scale Labs and Hugging Face report strong pre-order demand. Nvidia acknowledges challenges, comparing the hype to early self-driving car optimism. Most agree widespread adoption is at least a decade away.