You are right it seems as the bullet did poison the eagles, here i havent heard about any such incidents concerning eagles.

But instead of banning lead i have a suggestion, stop using semi varmint bullets on large animals or if you still use them, bring a showel and dig the remains down.

Il bet that this will spread to us also, even if we use normal bullets, they will use it as an example of what could happen, and the greens will use it as a fact of what are happening.