there are more java and .net programmers out there than python/ruby programmers. hence a java programmer is easy to find, cheaper to hire and less disruptive to

there are more java and .net programmers out there than python/ruby programmers. hence a java programmer is easy to find, cheaper to hire and less disruptive to fire. This is probably one of the most important reasons why corporations prefer java/.net over ruby on rails/python. that said, when a programming language is around for more than a dozen years, it gains the tag of being reliable ( rightfully so).