I recently got a WorkSharp ken onion sharpener (there's a video about it on the same channel) and I think this is the solution for 90% of people that want sharp knives but don't want to spend the time learning and sharpening by hand.
The learning curve is very flat, it's fast and the results are really good. You can also easily replace the abrasive (there's even cheap 3rd party ones).
The only downside is that you can very easily ruin your blade if you're going ham with the coarse belts, as they do indeed remove material with relative ease. And you're getting a convex grind instead of a flat one which might even be a positive thing.
Wart mal bis du siehst wie Fn und Strg/Ctrl bei manchen ThinkPads angeordnet sind