My turn to be a skeptic, looking for a response :) We already have barcodes to track the source, this is already done outside blockchain. Maybe its more immed

My turn to be a skeptic, looking for a response :) We already have barcodes to track the source, this is already done outside blockchain. Maybe its more immediate after a problem happens, but what is the cost to: >Blockchain soil ph >Blockchain fertilizer >Blockchain water schedule >Blockchain that workers washed their hands >Blockchain the weight of the product >Blockchain the date picked, shipped, etc........ If you do every step along the way, the cost becomes enormous. I cant imagine the size of the hash either. Not to mention the extreme problem of garbage in garbage out. Sure you have an expensive thermometer that writes to a blockchain, but what about when its time to weigh it? What if someone accidentally sweat and that drip added 1g to the weight of something that needs precision. Then the entire chain becomes unreliable.