Yes, the middle class in India can afford help, but those servants live in conditions that in the US would be considered scandalous. India is not a good example at all to support your position, for this and a whole host of other reasons.
> We simply don't have the problem of not enough jobs.
I would argue that the proof of the emergence of structural unemployment is not in the current rate of unemployment, but in how long it took for us to return to this level after the housing crisis. Structural unemployment will manifest itself in longer and longer recovery times, always returning to near full-employment as the economy adjusts, until the point at which demand collapses and recovery becomes impossible.
Like the tipping point that climate scientists talk about with regards to climate change, we have to implement a solution before we get to that point, because it might not be possible after. Basic Income, above all, should be embraced as a mechanism to stabilize consumer demand during the periods of radical realignment in the labor markets that will be brought on by robotics and AI.