Well nothing's "wrong" per say, but since we're talking opinions here I don't think it was thin or light enough, I don't care for mag safe (I'm generally careful where I put cords and find mag safe annoying if anything), actually like the new keyboard better (though I don't care for either that much), and much prefer having 4 interchangeable USB-C/TB3 ports that I can use for anything (video/audio output, midi, external storage, power out or in, etc). Sure I have to have a dongle or two, but I've actually found that to be not a big deal and overall pretty nice. And that's just the things you highlighted, not mention other things like the better touchpad, better speakers, brighter screen, finger-reader, etc.

I mean I get why people have preferences for the things you mentioned, but I'd call them appeals to "comfort and familiar" not "state of the art."

Funny you mention magsafe, because that was defective too. They settled a class action but didn't actually fix anything. It would slowly toast it's own cable (probably due to dust in the connection) until the insulation frayed and you had to buy a new charger. Of course they would blame you for abusing the cable.