I retired from software 9 years ago and what really bothered me about the 26 year old senior software engineer tech lead was that they used "social proof"/hype

I retired from software 9 years ago and what really bothered me about the 26 year old senior software engineer tech lead was that they used "social proof"/hype as their justification for every decision. RubyMotion, Chef, Meteor, Riak, it's current best practices!