Thank you for the feedback!
While you’re right that players can just dodge enemies to pass the round, the goal is to collect as many points as possible. The reason for the sort round time (outside of Francium’s half-life) is to encourage players to move around quickly and collect as many points as they can to buy new upgrades and increase their score for the leaderboard.
As for how points are collected, I originally had the points add directly to the player as you described. However, this would allow the player to just sit in one spot the whole round and fire at enemies. I found this to be a bit boring. So, I made it so the enemies dropped points the player would have to collect. This forces the player to move around, which adds to the challenge and I found it made the game more enjoyable.
Hope this explains some of my thinking, thank you for playing :D