- most can't be easily reprogrammed and some with only some programmable keys demand extra software at runtime to work;
- most are just designed out of IBM PC classic keyboard changing just the look&feel from one to another, there is exactly ZERO competition in keyboard features behind aesthetic/visual aspects/colorful backlit etc;
- keys tend to be smaller and narrow than the past, I suppose to save plastic for the OEM, nothing really for the end user;
- Cherry profile &c makes impossible to move keycaps freely around the keyboard (classic IBM parabolic design, with is very simple actually can perfectly: all keycaps are physically identical).
To be less off-topic: switches soldered in ways that's hard substitute them at home if some breaks after a bit of time. Switch with different keycaps connectors just to create incompatibility between vendors and no standard to rescue...
Long story short: real tactility and force might be interesting to discuss and compare people taste on those topics, noise levels are another topic, but the above issues well... Are IMO far more crucial and still ignored by most...