Speaks volumes about someone's conviction when they can't even speak their views without a mask to hide behind.
Do me a favour, print this quote out, stash it in a drawer somewhere nice and safe where you won't see it for a good 10-20 years. Hopefully you'll stumble upon it later on in life when you've got some more experience behind you and you'll realise just how cringeworthy that sounds.
Debate and diversity are the building blocks of a great community and are at the heart of what keeps things fresh and interesting. You are indeed correct that you have every right to express your concerns, but claiming that someone is rude and offensive because they don't agree is just wet.
But then you already know this given that you need to post it on an alt account right?