I think their failed product track record should qualify under the category of bad UX e.g. Google Wave (confusing UI, no apparent use case for average users), G

I think their failed product track record should qualify under the category of bad UX e.g. Google Wave (confusing UI, no apparent use case for average users), Google plus (confusing UI conceptual be model when first launched, subsequently failed to get market share to Facebook partly due to obscure UI), etc.