Maybe you can have the step out point “enabled” only when there is a reset to neutral (ie if you start in top bottom and someone gets an escape, there is no possibility of a push out point until there is a break in action (eg going out of bounds, blood time, challenge, etc).
I do really think this is needed. It’s so hard to score already, let alone when someone has multiple stalls to give and can egregiously evade for 30 seconds at the end of a match.
the rules right now basically give someone with a 2 point lead late permission to run with impunity in a way that is really incongruent with the spirit of the broader rule set.