You'll never make everyone happy... For me the fact that it's RoR as opposed to, say Go or Elixir is a big turn off, because I know it will be slow and eat up l

You'll never make everyone happy... For me the fact that it's RoR as opposed to, say Go or Elixir is a big turn off, because I know it will be slow and eat up lots of RAM. For me tried and true would be Java.