Give Bailey a break, I don't know why those wouldn't work on a squirrel or a small bird (don't turkey hunt, but given how elusive they are wouldn't want to take my chances with that thing).

When younger (about 15), using only field tips, I killed a bunch of nutria rats and a squirrell, but I will never do that again (long story) involving squirrel attacking me (after going to pick him up).
No, I did not do a triple lutz and shoot him between the eyes with my explosive tipped arrow as he attempted to gnaw on my leg .

Oh, I now see on my edit that he was asking about using them on deer. Screen did not scroll over.
No, I cannot see using those on deer, they are just souped up field tips.
I'm sure that they are capable of killing a deer, indians did it with far less,
but unless going primitive (which this product is not intended), why use something inferior to a broadhead?