Technological Prudence: What the Amish Can Teach Us (2011) [pdf]
baylor.edu
baylor.edu
Dentist drills for example are frequently pneumatic due to higher maximum RPM’s.
Beyond hand tools, I think plenty of industrial manufacturing machines, including CNC machines, use compressed air as the source of primary "work" power.
Aside from that pressured air has quite a lot of applications. Some high tech robots use pneumatics instead of hydraulics or gas for certain applications. It is not at all a deprecated technology, the principle is more or less the same.
It is also 100% more ecological if you use the air pump to power your devices.
Modern person asking an Amish guy why they haven't gotten COVID, and the Amish guy replying that its because they don't have Television.