Yes some people are going to change their mind because most Americans aren’t paying close attention. You say “these people are already convinced”. This is just black and white thinking. Some are convinced, but many don’t feel informed enough to have strong opinions.
The lesson from the Dobbs decision is that, sure SCOTUS can ignore public opinion, but it matters when they do. After that decision, voters, including many independents and even conservatives, revolted, leading to many surprising victories for Democrats.
I’m honestly puzzled by your comment. Is this a call to stop spreading anti-fascist ideas? To stop making arguments and spreading concern? Why? Your theory seems to be that talking about ideas doesn’t matter. Fascists, on the other hand, keenly understand the power of ideas!
When I looked into it a few years ago, I found that, contrary to the stereotype, Japanese homes are surprisingly big. Smaller than the US or Canada, which are some of the biggest in the world, but actually bigger than most of Europe.
The result of a quick search: the average Tokyo apartment is 65.9 sq m (710 sq ft). The modal apartment size is 19.7 sq meters (212 sq ft), so maybe that's what you're referring to. But that's only 21% of Tokyo apartments.