Every company on that list is a loser in the mobile game and likes to cry about it, especially Microsoft and Apple. Ballmer and Jobs were kings of throwing the spoiled brat fit if they didn't get their way. If you can't beat em, sue em!
When was the last time anyone saw Google file a patent lawsuit against another major tech company? If I'm not mistaken, Google has a policy that they don't sue unless sued. When was the last time Larry Page or Eric Schmidt publicly said anything bad about another company? It's pretty clear who has the high ground here.
After looking over a large chunk of what the lawsuit is about, it's not hard to determine that there is very little chance of this going anywhere and that's really fortunate because it's clear who the innovators are and who is dead weight.