I think really the main reasons why I usually wouldn’t go for elixir for a CLI app is that you probably won’t get or need it’s best benefits in a CLI too. Things like reliability and recovery features, distributed computing, maybe concurrency. But you’d still have to deal with a lot of the tradeoffs - lower portability, startup times, etc.
Elixir is designed to do a lot of things really well but it’s hard to beat languages that were designed specifically to be good for CLI tools without trading off the things that make it great for all other stuff.
Then again if your cli tool needs to be able to run a long lived command with a focus on reliability and concurrency, elixir would probably be great.
