I'm not sure why I never ran with Python. It seems like the logical progression on gnu/linux systems from the days of Perl. Somehow I fell into Ruby for general purpose programming. Part of me feels like I should shore up my Python and C knowledge for my daily driving but I need to hone my golang and JavaScript chops for work. Trying to shoehorn lisp into everything and being enticed by things like elixir is making those decisions even harder. I worry about becoming irrelevant as a programmer by not keeping up with the flavor of the week and I worry about not being able to maintain my systems by not getting more comfortable with the staples.
Becoming irrelevant as a programmer, or anything else in the IT world, is kind of inevitable. Experience doesn't count jack shit either, except this time round when you're dealing with the latest iteration of whatever, you can say to yourself, "jeez, not again, I've learnt this n times already!"
@tuttle i tend to agree.  the bigger issue here is that i don't want to do c-level again.  i want to keep programming.  i don't want to herd cats (even if i'm good at it).