They are the same just any other wallets, it just became fancy because there's a tag "web3". There is no big difference from the usual wallets that we use as common as the "multicurrency" wallets so nothing special about it. I think if you want to see the difference in description, I guess that it is because it's been used today with the airdrops and you'd get to feed that wallet of yours with fees that you should be prepared for. So, that's what comes to my mind upon using them and that's why I stick back to the common wallets that I use. And as suggested, move this thread probably on the Service Discussion for altcoins.
Please can you elaborate on what way they are similar to non web3 wallets. They are better than the usual wallets in many ways. I don't recollect that a simple wallet can provide features like staking, swapping & becoming an interface or a bridge with dapps. Those wallets that started as a simple wallet have now evolved themselves to a web3 wallet.
Because even the multicurrency wallets has also those features that you have mentioned. While some lack and I agree to you that they are better but what are you really up to depends on what you can say about such. That's why for me, there's really no difference at all with the other wallets that we used to have and the web3 wallets that are currently being advertised by the exchanges as they've developed one.
Not all the typical wallets have evolved because many of them still remains to be the current that they have been. While the exchanges have been developing these, there are also the web3 wallets that are being trusted by the community of whatever project they are supporting. And that is the reason why I don't think that there's a lot of differences from them and if the use is just for storing, all of them has got it. So, a few features that these web3 wallets have is an advantage as you've said.
But again to me, I don't use a lot of them and I am okay with the current wallets that I have so, if you have an option and you like to use them because you've got a lot of funds to get into staking, swapping or so on, maximize the usage of them unlike any other people like me.