Why Startups Don't Use .NET

itwbennett writes: "Back in March, Expensify CEO David Barrett wrote a blog post explaining why .Net experience is a disqualifier for a job at his company. His reasoning, in a nutshell, is that startups don't develop in stodgy old .Net because of the cost. In a post on the piehead blog, developer Ian Muir takes a different view: Microsoft's Bizspark program has made the cost differences between .Net and FOSS essentially moot and the reason for not using .Net in favor of PHP and Ruby comes down to culture and ego."