Various patents expired and now you can get excellent typing keyboards from China for $30-50. Basically everyone I know who types for a living has one.
Gamers have moved on to analog keyboards which are controversial because some of their features straddle the line into cheats. e.g. with an analog keyboards you can negate all inertia in Counter-Strike or do speed tricks in Trackmania not otherwise easily accessible to keyboard players.
In India, many brands are now offering low-cost mechanical keyboards. They were costly earlier but one can find super amazing one with 50% less cost now.
Could you give examples of excellent typing keyboards from China for $30-50? Every mechanical keyboard I've owned eventually suffered from key chatter or inconsistent actuation.