Yeah, I've seen people talking about how a lot of P5 is inspired by the sociopolitical situation in Japan and a lot of what happens in it is ripped from actual headlines so closely that they may as well have not even bothered changing the names of the people involved.
Some reviewers apparently talked about how some of the villains were too "cartoon-ey" and a guy was like "no this shit actually happens in Japan." It seems like it's very Japanese in more than a "just like one of my Japanese animes" way.
EDIT:
This tweet and
this thread are what I'm talking about