Naturally, an actor who got to be in a Star Wars movie would jump at the chance to be in more Star Wars.
You can give a droid an arc, and it’s cool to see Alan Tudyk recognize and express that.
That’s less the story than it is that the KX-series security droids can and should play a larger role in future Star Wars stories.
Think of the way that The Mandalorian used Taika Waititi’s IG-11 as both a bounty hunter and eventually, a reprogrammed defender over the course of two seasons.