Technically with the mother’s love protecting him, nothing would’ve worked. Also you are ignoring pride in all of this. Voldemort had a way to kill anyone he hated with barely any effort on his part, using magical abilities. He also hated muggles and all they stood for. Of course he won’t be using a way muggles kill one another if he has magic that is in his mind “better”.
I think the explanation is that Lily used old magic that nobody else knew about. Like, it wasn’t just her love, it was a special spell powered by love, in the same way the killing curse is powered by hate. Like, imagine the government is coming to bulldoze your house to build a freeway bypass, and you’re such a big history nerd you pull out some legal precedent from the time of Arthur that says they can’t do it. It was a highly situational spell that nobody bothered to teach to the next generation because you can only use it once, and she just happened to read the most history books on obscure spells.
Alright I’d better insult this series to make up for defending it. Putting Santa hats and beards on the severed slave heads is ghastly.
