lol That's because they couldn't do anything to it. I used a Mac for like 10 years at school and some of the shit they had were just terrible after a few years.
And User customization and mods > widgets and iApplications
Well imo the apps and widgets are better, and there's more variety.
And we'll see what you mean about the slowing down. I myslef never experienced it or seen it happen. Hopefully you're wrong. lol.