Coulda, woulda, shoulda..........your post is completely unambiguous. Perhaps a moment to reflect, where something beyond contrition might be at least a first step in understanding that 'ethnic fuckers' populate all parts of the UK. If Sheffield were the size of London, with all it's infrastructure, then we'd have the same 'ethnic' mix that you apparently are hostile towards.
By suggesting that your post was 'Trump-esk' it's as if that makes it ok. Almost like hiding behind someone else's deficiencies, which, of course, is feeble and suggests that you have flights of fancy about arguably the most worrying person on the face of the planet. Stop digging a hole for yourself and accept that you fucked up royally!