There is no perfect way to buy a puppy, and there are no perfect breeders. You just have to consider which compromises you consider acceptable. The poodle police are not going to arrest you if you deviate from any recommendation you might have read on the internet.
You say the dam is 7. How many previous litters has she had? I prefer so see a breeder stopping at 3 litters, and certainly no more than 4.
You said the breeder told you the litter was show quality. Do you actually want to show? My boy Galen comes from champion parents, yet he has a ridiculous curly tail. It looks like it was transplanted from an Elkhound. He wouldn't place well if shown in conformation, but that doesn't stop people from squealing , "Ooh, cute," when I take His Fuzziness for a walk in town.
You are concerned about socialization. Given the current Covid situation, I think socialization is a real concern with many litters from many breeders right now. It's quite reasonable that a breeder wouldn't want to be exposed to humans from outside the household. However, the breeder should still be able to do things like shave the pups' muzzles, take them on car rides, run the vacuum cleaner in the next room, and do other things to expose them to a life outside the whelping pen. I would ask what she has been able to accomplish apart from introducing the puppies to strangers.
Since socialization is a critical and ongoing activity, what are your options to make up for lost time? Do you feel comfortable masking up and pushing a shopping cart with a puppy in it around your local pet store? Do you have friends and family who might come over and play with the puppy in your backyard at a safe distance from you? Do you have the option of masking up for puppy kindergarten classes or dropping the puppy off for a half day of puppy daycare? Do you know a well socialized dog which might come over for a few playdates in your yard?