This "if not Apple someone else would have done it" argument is the biggest pile of horseshit Apple apologists have been spewing since these lawsuits started. Do we see similar search lawsuits started by Google against Bing? Or against Duckduckgo?
> Do we see similar search lawsuits started by Google
> against Bing?
What it has to do with search?
As for mobile—there were numerous spider-web type graphs showing who is suing whom. You can actually see the lawsuit started (again) by Motorola agains Apple. Motorola is now owned by Google, if you missed that bit of information.
Ultimately there are no good guys and no bad guys—it all boils down to the stupidity of patent systems and who you like more.