The number of operators that you can overload is very small and each of them is attached to very specific semantics that makes little sense outside the realm of scalars and of a few other specialized mathematical concepts (e.g. matrices).
Rails Long Term Support
Rails LTS provides security patches for old versions of Ruby on Rails (2.3, 3.2, 4.2 and 5.2)
Prevents you from data breaches and liability risks