They did not sell enough units… but the real question is why they did not sell. I think there were two primary issues with Rethinks offerings. The main one was that the hardware was just not right for industrial applications.
Robots: The Next Generation – from industrialrobot.info

The year is 2018 and there are some pretty impressive robots out there. Robots can now run, jump, fly and think in ways that were sci-fi just a few years ago. See Boston Dynamic’s latest video if you are any
Is collaborative always the right choice?
So you have read an article declaring Collaborative Robots, or Cobots are the new big thing in automation. That they are revolutionising industries being more user friendly, flexible and with a lower cost of install, what’s not to like?! Well
Used robotics – Don’t fear the cheaper….
When one thinks of robotics the immediate image is clean, high tech machines, in a brand new facility. Nice, yes, but expensive. Ask any business owner or production manager what they consider when looking to automate and it’s simple; the
Why the low cost scara is the future of mass automation
Scara robots have been around for over 35 years but now they are really coming of age. Their robust simplicity has been proven efficient in many industries, notably electronics and assembly, but programming complexity and cost have limited their markets.
Robot installation – an industry view of the status quo
The installation and programming of robots is often seen as being a complex process for skilled robot engineers and sometimes it is. But in actual fact many robotic applications are straightforward, and depending on the type of robot and the
Robot installation
One of the common surprises to new users of industrial robots is that the robot is only considered part of a machine. It needs an end effector, safety equipment, other sensors and of course programming to make it work. While
Buying used robots
Used robots can provide excellent and inexpensive solutions. Many of the big automotive companies reinstall robots when they are 10 or more years old. Some have machines over 20 years old working in mission critical roles. The quality of engineering