> Most people can get a Green Card within a year (even with moderate skills) and citizenship at 5 years without language test.

You are hilariously misinformed. I am 3.5 years and waiting on an EB2 and I am British, I know Caltech professors who took 3 years to get on EB1.

Part of the issue isn't entirely the government but also the cottage industry of legal firms. These firms (at least in my experience) can take _longer_ than some of the government steps.