I was just about to ask the same question. If anything, this probably legitimizes the WordPress platform for thousands of small business owners - the very peopl

I was just about to ask the same question. If anything, this probably legitimizes the WordPress platform for thousands of small business owners - the very people who could be WPEngine customers. If they were on the tipping point of this platform ("It's open source? Is it safe? I don't know if I can trust it."), they may be tipping now. ("Ah, Microsoft uses it. It must be safe.")