[ralferoo]

That's the intended objective. They don't want you buying the food if there's a potential risk you're going to later sue them if whatever minuscule probability of a contamination event does in fact happen to occur.

They have judged that as a market segment, the revenue they can get from selling guaranteed sesame free products is less than the cost of producing it. Other manufacturers may decide it's worth it if they price their bread higher, and then the issue becomes whether you are prepared to pay the price they are asking to cover the increase costs.

Remember at the end of the day, what you eat is a choice. There's no reason why you have to eat bread, but even if you choose to eat it, making the choice to buy more expensive hand-made bread rather than the ultra-processed mass-produced stuff is usually much better for your body in ways other than just not containing sesame.