Thing is every one of Messi, Neymar, and Suarez is selfish and individualistic by nature and instinct. When they usually pass in 1 vs 1 is when their game intelligence (which translates into a very high football IQ basically) contains their instinct. However, there are several situation when their instinct rises to the surface and you see situations in which Messi, Suarez, or Neymar will take a chance on their own, even when a teammate is better placed. Such situations usually happen when one is extremely motivated and playing to a level that is more based on instinct and talent than actual reading of the game.
That's why you had games in which Messi was the best (home game vs City, home game vs Bayern), and games in which Suarez was the best (PSG away, City away) for example. In these games one individual was closer to being in the zone, more motivated for some reason, quicker on the night, having a better intuition feeling the ball better etc. I would give that player the liberty to try things based purely on confidence, and not necessarily on probabilities (this solution has 20% more chances to lead to a goal than the other). If Suarez thinks it's his night, I would trust him to take a shot even if it's the 2nd best option, because I trust Suarez when he's in the zone, playing special. Same for Messi (that's actually proven -- when Messi is in the zone, the best option for us is that whichever he decides to do) or Neymar.