Every accusation is an admission.

You know this kid’s porn stash is on his phone or hard drive somewhere.

But deporting them is too much trouble! We should put them in concentration camps!

And when there are less of them we can fill the empty spots with other subhumans who give us trouble! Yay! /s

1977 in California was when asbestos started to be banned from residential housing products, such as popcorn ceilings.

More generally in the US: https://www.eurofinsus.com/environment-testing/built-environment/resources/recent-news-blogs/blog-the-history-of-asbestos-regulation-in-the-us/

The OP ad was part of the industry’s counter-PR campaign.