What is your one-size-fits-all-possible-use-cases scripting language they should all use instead?<p>Lua?  Counterpoint: <a href="https:&#x2F;&#x2F;julien.danjou.info&#x2F;blog&#x2F;2011&#x2F;why-not-lua" rel="nofollow">https:&#x2F;&#x2F;julien.danjou.info&#x2F;blog&#x2F;2011&#x2F;why-not-lua</a><p>Any scripting language will have issues. It is far easier to reason about and deal with issues created by your own DSL than some other 3rd party language that you have minimal or no control over.