Split command as I’m used to from Rhino as an example is a useful tool in my mind.
Any thoughts on why not?
Is this what you are looking for? https://support.shapr3d.com/hc/en-us/articles/4406427864082-What-does-the-Split-Body-tool-do-
I use that frequently. No my friend it is splitting a sketch line or curve at a position, like in many other CAD programs, the trim options sibling.
A line or a curve meets another, or a point placed and split command divides.
P.s. Istvan, you’ve got good ears! 
