Imo this entire post and discussion is more about Rhetoric, Presupposition, and Philosophy.
Random person says, "Anyone using a ruler is a cheater". 2nd person says, "No. No. Using a ruler is fine. Anyone using a calculator is a cheater". 3rd person says, No. No.No. Rulers and Calculators are fine. Anyone using a stop watch is a cheater."
4th person says, *No. No. No. No. Those things are NOT cheats but they are contrary to the spirit of the game and goes against how it's intended to be played."
Everyone of these statements are arbitrary. Why? They are not based on fact, but rather, you're own personal opinion based on how YOU feel. As long as you don't break the ToS it doesn't matter how you play. You wanna play by feel and hit every shot in under 10 seconds? Go for it. You want to use every tool in the book and take 5 minutes per shot? Go for it.
At the end of the day the person with the lowest final score is without question the better player on that day. Everyone should play according to there own style and above all else, have fun.
Good shooting and cheers.