Similar to the on-chain transaction that hosting by a third party, isn't it?
Remember that Bitcoin transactions can't be directly conducted offline since the Bitcoin network relies on internet connectivity for transaction verification and broadcasting. So, therefore, if there's no internet network, Bitcoin transactions wouldn't be possible, even with offline wallets.
The way the world is moving internet connection globally is getting highly highly better in terms of adoption and overall stability, and will inevitably continue to move forward. Though it's technically an issue, I'd rather we focus on other things than "what if we lose internet connection?"
That's it and I tend to agree, even now in remote areas have internet connectivity.
Just call Elon Musk and order Starlink kit.
