[lelele]

> I think that mostly the admins and architects on these projects have simply never heard of nginx, or if they have, they don't really know what it does.

Then let those admins and architects be hired by your competitors. I mean, whoever is skilled at a craft, must - not should - be aware of a few alternative tools. Even when they are not productive with those tools, at least they should be knowledgeable about how they stack against their tools of choice.