You're not comparing "apples to apples" here. The terminal strips have their use but is not what is best in a single or 2-gang box for receptacles or switches.
First off, the terminal strip would take up too much room in the box
2nd, you have to take time to get out a screwdriver to tighten down each screw.
With a wirenut, you take all the conductors at once and twist, no screwdriver needed.
Similar, with Wagos, you insert the wire into the port and done, no screwdriver needed.
Now take a control cabinet, you want it to be neat, you mount the terminal strip or block either straight to the cabinet or on a DIN rail. You wouldn't want a bunch of wirenuts hanging all over the inside of the cabinet. Also makes it easier to trace wiring, which you often need to do in a control cabinet.
In an outlet box that will be closed up and not opened unless needed, the wirenuts or Wagos are best and don't necessarily need to be as neat as a control cabinet.
So each have their place but neither is a good all around connector for different applications.