Removing a window isn't erasing anybody.

I tend to think what you’re reacting to is just history moving forward. Unfortunately not everyone will be remembered forever.

He wasn’t being worshipped and hasn’t been erased, so I’d say no.

No, those aren't the only two options.

They removed the stain glass window worshiping him. Did you read the article? What do you think erasing means?

Removing idols is not erasure.

You’re confused on one point — she staunchly opposed abortion except to preserve the mother’s life (her support of birth control was to avoid needing one) — and Planned Parenthood isn’t shying away from acknowledging the bad parts of her legacy:

https://www.nytimes.com/2021/04/17/opinion/planned-parenthoo...

That seems to be the right way to handle this: the history is still there for anyone curious but nobody is saying she’s a role-model for the future.

I don't see any stained glass windows of Margaret Sanger anywhere. What is your point?