I believe this comes from the (browser self-reported) navigator.platform, which is reported as MacIntel on all Chrome for Mac versions including Apple Silicon.
Yes, so I won't apologise for it but I spent a lot of time trying to build something where I was getting a reminder for verses of the Quran. I think the home screen will be customisable soon enough for anyone who wants to see things differently or organise differently but I guess it was important to me. Maybe not to others, who knows.
Edit: I should say there's a configuration json in home/cards.json but I haven't documented the various settings for cards, RSS feeds, YouTube channels yet.
Is it an US thing? I tried with 17 pictures from Europe and Asia, not in capital cities but in fairly big cities, and it didn't guess any. Sometimes it got the country correct but that was because of signs, so I could have guessed it too.