I really don't understand what their weak market position has to do with this lawsuit. If Yahoo! believes Facebook violated their patents, they will sue. They _should_ sue. They do it now because apparently that's the way new CEO does the business. I can't blame him, can you? Now, whether FW post was an emotional rant or he has any business saying what he said, hard to judge. But I read his blog for a while now and d…
No it should not. It's as if you said, if Yahoo has a gun, it should fire at Facebook. Tech companies do not make their living by exploiting their patents directly (as e.g. pharma companies do). They make living from advertising to their userbase. They do patent some things they use to keep and monetize that usebase, but there is no direct relation. So: Of course they should not sue "by default". It just isn't a winn…
Okay then.