They’ll make a comeback in a few years when people with Google’s advertisement TVs start having to buy whole new TVs because the cheap Android tablet built into the TV will age like a cheap Android tablet and start struggling with basic tasks like browsing content.
You need to factor in other economic factors. How much is this in terms of median salary? How much is this in terms of child care costs? Currency conversion is based on how much the currency is worth in the other country.