Get educated before you get so opinionated. Read this: http://www.cpcwiki.eu/index.php/Speccy_Port . He didn't write an emulator, things were (sadly) much simpler.
Even with a green screen you could always get a SCART cable and enjoy glorious colours on the telly, of course. And even thirty years down the road my modulators still don't drift...
So you found Harrier Attack flickery => the machine is crap. Boy, so much hate inside you :D
Yeah, I don't see the meaning in this either, but maybe you'll wanna read up on the Syrian conflict: the Assad side is secular, its the other guys who would go on about 'infidels'.