Oh yes, that is totally something else from OP question.
swaps and splices are not eliminating one to another. 
Are complementary.

DarthCoin

Hmm I think you interpreted my question to be relevant to what OP was asking. It wasn't. I was asking about what you thought about using a swap vs using a 

bitcoin

Are lightning cold wallets possible?

axzwk

Hmm I think you interpreted my question to be relevant to what OP was asking. It wasn't. I was asking about what you thought about using a swap vs using a [splice](https://bitcoinops.org/en/topics/splicing/) for switching between LN and on-chain.