Here is an example of the types of puzzles the op is describing:
https://www.chess.com/puzzles/problem/1332795
It's a rook and king vs king endgame. Optimal play is Mate in 4 with 1.Kg5. However, you can easily checkmate in greater than 4.
You can easily checkmate in 25 moves too.
The point of puzzles is to make you think like a better chess player, not a worse one
efficient technique is important in a time scramble situation.