Contradictory statement in question?

[aspodkfpo]

Homework Statement

n/a

Relevant Equations

n/a

This solution seems to contradict itself. What is it actually trying to say?

https://www.asi.edu.au/wp-content/uploads/2018/07/ASOE_2017-Physics-solutions.pdf

q12 (screenshot is horrible quality)

 

[haruspex]

It is just showing that it is not obvious what the overall effect will be of increasing r since in one way it will increase interceptions while in another way it will reduce them: fewer droplets but more interceptions per droplet.