Earlier quoted context omitted.
Microsoft had their chance and dropped the ball on a lot of things, but they always figure it out. Skype on OSX looks much better now and I suspect if they're focusing on Skype instead of spending $8B, then you're looking at serious competition.
I have a different experience. It was bad before MS came in and got way worst after - except the icon. The icon now is way more slick! But that won't cut it... Plus, I would never use it professionally since Skype (and MS in general) are the extreme low in regards to privacy.
There isn't even a "remember me" option on the login page, which I swear used to be there. Since my password is a 1Password generated secure password, I have to go look it up every time.