There is fundamental difference between Windows and AmigaOS is that you usually want to run Linux+wine on a the same hardware you would run Windows. That's why wine is not an emulator. Whereas, in the case of vamos, the AmigaOS hardware is not a PC.
They explicitly states that in the link: "It will run typical console binaries that do not rely on user interface [...] This approach will not run any applications or games using direct hardware register access - for this use case a machine emulator like FS-UAE is the tool you will need..."
There is fundamental difference between Windows and AmigaOS is that you usually want to run Linux+wine on a the same hardware you would run Windows. That's why wine is not an emulator. Whereas, in the case of vamos, the AmigaOS hardware is not a PC.
They explicitly states that in the link: "It will run typical console binaries that do not rely on user interface [...] This approach will not run any applications or games using direct hardware register access - for this use case a machine emulator like FS-UAE is the tool you will need..."