That's not true. If it were that easy the builds would be quicker. My last project was 2 hours clean build on CI. I spent a week optimising it and got it down t

That's not true. If it were that easy the builds would be quicker. My last project was 2 hours clean build on CI. I spent a week optimising it and got it down to 90 minutes, and within 2 months it was back up to to 2 hours again. Entropy is real!