I am not thrilled to see Maul in this one and my inclination is snip-city, however, didn’t they say the actor playing Han is signed for two more movies? The only point of re-introducing Maul is to have him in a future movie, so going fanedit happy on that scene may backfire when he shows up again in Solo Part Two or Obi Wan part one comes out or where ever he pops up again.
You can have him pop up in future movies without the unnecessary set up in this one. Not missing anything.