So if a guy gets precum on his fingers, sperm are too fragile to live, so they die? so thats why inserting your fingers into a vagina with precum doesnt impregnate you because the sperm would have been damaged?

I was wondering if you can get fingered with a guy having precum on his finger, can you get pregnant? I've read the articles & it says you can't because its indirect. But what about it being indirect doesnt cause a pregnancy? I've read on other websites that pregnancy could still be possible bec...