These methods involve using hardware wallets, QR codes, or mesh networks to facilitate transactions offline, but they still require an internet connection at some point to broadcast the transaction to the Bitcoin network for verification and confirmation. Or what's your take on this.?
Bitcoin can be sent without internet. Some researcher have done it through radio waves. There is a detailed article available for you to read,
https://news.bitcoin.com/no-internet-no-problem-how-to-send-bitcoin-by-amateur-radio/However, these methods are not really user friendly and absolutely not for beginners. So the usage of such methods are quite restricted. Internet is the only way for the mass.