1.: No, it doesn't. That's your taste. You want a shiny logo? Go to Waves. See how much their logo helped them.
2.: Once the gGmbH is up and running and the Lisk team can finally touch the ICO funds (which are still in escrow), they'll hire a professional design agency for a rebrand/new logo and other looky-lookie stuff. I won't dig through blog posts to find the exact quote, so you can either believe me or go look for it yourself.
3.: If you think the logo is shit and people don't buy Lisk because of it, look at point 2. What does it tell you? …Exactly, to buy as much Lisk as you can before the rebrand. Because, if that's what is holding Lisk back – holy moly, once the rebrand happens, we will be bathing in digital money