The term DILF is greatly misused nowadays. There’s more to being a DILF than just being an older man. Garak isn’t a dilf! He doesn’t have kids that we know of - and if he does he’s not parenting them. You have to be a good dad or at least have good fatherly energy to be a dilf! By that metric Dukat is excluded too- if you call him a dilf you need more help than I can provide.

But Ben Sisko... he’s a DILF. Tekeny Ghemor is a dilf. Rom? Dilf. Jadzia? Dilf.

It’s about the vibe.