Microsoft still matter: they control Internet Explorer and they control Windows. If they were to add SNI support to Windows XP, for example, https sites could be hosted more cheaply. But Microsoft is not the monopolist it used to be. PG used "dead" to mean "is not scary any more", not "is slowly going bankrupt". So I think his conclusion still holds.
Absolutely. I think the key point of the article was this phrase: No one is even afraid of Microsoft anymore. They still make a lot of money—so does IBM, for that matter. But they're not dangerous. And I think that's still true, even with the popularity of their latest hand-waving thing. Back in the day, almost everybody writing a business plan had to answer the question: "What will you do if Microsoft decides to cru…
Does anyone really think Facebook or Google will really crush them, unless you are targeting their vertical directly or you get unlucky and they move into your niche before you gain a proper foothold? I know YC's Kiko got crushed by Google a few years back, but that seems an exception rather than the rule. It seems those companies are more likely to buy you, if what you are doing would add to their existing services.