Ironically, the first thing I do is the opposite. BIOS boot has been simple and reliable for decades, and EFI remains a horrible mess.
Remember how some people have had issues with windows destroying booting of linux
The MBR is tiny (you could even write out all the entries on paper as a backup, like I became accustomed to many years ago whenever I partitioned a disk) --- and restoring it is also equally straightforward. I don't even know where to begin with troublshooting EFI's horribly overengineered boot entries and NVRAM variables...
Remember how some people have had issues with windows destroying booting of linux
The MBR is tiny (you could even write out all the entries on paper as a backup, like I became accustomed to many years ago whenever I partitioned a disk) --- and restoring it is also equally straightforward. I don't even know where to begin with troublshooting EFI's horribly overengineered boot entries and NVRAM variables...