Are we ever going to put a stop to this nonsense?The latest example I have here is robotic vacuums. They're expensive and have a decent amount of electronics in them, which of course is what makes them fairly expensive. Laser/Lidar sensors, for example, aren't nearly as pricey as they were, but still, they ain't free either.The problem is that while "consumables" are readily available (e.g. bags, brushes, etc.) the motor parts are all designed without real bushings -- in other words, often metal shafts on plastic, or worse, plastic-on-plastic.These of course wear. The expense of a self-lubricating sleeve bearing (e.g. sintered bronze), which cost pennies by the way and would be easily replaceable if used, is foregone. Why? Well because after some amount of time (calculated.......(Click link to read more)