i personally use LND for my deezy node - it is the easiest to get running and has the most extensive ecosystem of tooling around it.
i don't think LDK will supplant LND as the leader for most nodes. I do think LDK will be extremely useful for a few major apps (I think the biggest self-custodial lightning apps will find LDK has the tooling they need to make it happen). LDK is great when you wanna do something more customized