Yeah - I got the impression that Trish was making a general comment, rather than specifically commenting on the nominees who were up when she said that. She didn't object enough to veto (except in the case of Eric Bana), but wanted to know why late 40s/50s was considered acceptable for elvish casting. I think that Cary Elwes was certainly part of that, even though she didn't say it at the time. The photo of him is not a close-up of his face, so I didn't notice how visible wrinkles are (around his eyes, etc). Perhaps we can play off his 'age' as grief over the loss of his wife. Same with his wife when she returns - having returned from the dead might be a somewhat harrowing experience, and she might look somewhat aged on account of that.
Some people do retain 'youthful' looks longer, but I think our next generation elves should probably be in the younger age bracket (25-40). It is perfectly acceptable for an adult elf to be the same age as the actors portraying their parents - that's the whole point of agelessness. But maybe cut back on the 45+ nominees for elves, and save those for the men from now on.