You have to get them just to have recordings of some fabulous performers who didn't have any or very many solo recordings of their own. Bibi Osterwald, Dorothy Loudon and Kaye Ballard to name a few.
As for those Harvey Schmidt covers, well, I'm in my forties and some of those still make me blush. I would never have brought the Kurt Weill covers into the house while my mother was alive. She'd have taken a magic marker to them!
"A coherent existance after so many years of muddle" - Desiree' Armfelt, A Little Night Music
"Life keeps happening everyday, Say Yes" - 70, Girls, 70
"Life is what you do while you're waiting to die" - Zorba