Even if I was, don't you think that good Linux support would require the drivers running on architectures different from x86? For example you can't use this printer on a Raspberry Pi: https://support.brother.com/g/b/downloadtop.aspx?c=us_ot&lan...
You get a choice of a deb or an rpm packaging the following blob:
> brcupsconfpt1: ELF 32-bit LSB executable, Intel 80386, version 1 (SYSV), dynamically linked, interpreter /lib/ld-linux.so.2, for GNU/Linux 2.2.5, stripped