Everything uses FAT32. ATMs, the fare machine on transit systems, the sorting system at your post office, traffic lights, nuclear power control systems. Literally everything that isn’t a Unix, MacOS, or a Windows machine uses FAT32. All that stuff has worked for decades and will probably keep working for decades more.
Your taste in partners is as bad as your taste in filesystems. Who uses FAT32 in 2023? At least use NTFS
Everything uses FAT32. ATMs, the fare machine on transit systems, the sorting system at your post office, traffic lights, nuclear power control systems. Literally everything that isn’t a Unix, MacOS, or a Windows machine uses FAT32. All that stuff has worked for decades and will probably keep working for decades more.