

To be fair, if you make pasta sauce from scratch you’re going to be using a fair amount of sugar to balance the acidity of your tomatoes, so I don’t find pasta sauce a useful demonstration.
But you’re still making a good point. Once you start making stuff yourself, you really see what isn’t required.
For anyone who seems uninterested, ask if they’d like to be arrested for murder simply because they biked past a place every day.
For anyone looking for great talking points about this issue, I highly recommend “Taking Control of Your Personal Data” by prof. Jennifer Golbeck, published by The Teaching Company, ISBN:978-1629978390, likely available at your local library as a DVD or streaming.