The magnetic thing was only ever a Samsung thing and it wasn’t as secure as NFC, NFC works basically the same as the thing you’re talking about, its only flaw would be that it doesn’t work with the old style card readers.
I know, but that’s not really an app issue, that would be equivalent to complaining about cards without magnetic strip which only rely on NFC. It’s a result of new technology and not some bad idea trying to do things in a different way. It’s like complaining about touch screen tech because you can’t do things the exact way you used to on flip phones.