It's all fun and games until your neighbour in a terraced house or apartment building unwittingly starts an uncontrollable battery fire. Electric scooters and those 'hoover boards' from a few years ago are notorious when it comes to that, but plenty of underspecced small electronics will fail spectacularly.
That’s harder to disagree with,
but, you’re only going to achieve moving the cheapo builders stateside where they’re easier to enforce on.
That race to the bottom isn’t going anywhere - if someone can save a grand half-heartedly wrapping their own packs, they’re going to.