And then reality hits: they will change the plane and all you've seen before buying becomes invalid. Swiss (a Lufthansa group member) makes you pay for your res

And then reality hits: they will change the plane and all you've seen before buying becomes invalid. Swiss (a Lufthansa group member) makes you pay for your reserved seat, then constantly changes it at will - I fly with them often and I can't remember one single time where I kept the reserved place. So yes, it's a pointless PR exercise.