I think you did the right thing in defending yourself. Suppose I was to stumble across an argument like that about any product/startup/business/whatever I'll a

I think you did the right thing in defending yourself. Suppose I was to stumble across an argument like that about any product/startup/business/whatever I'll almost certainly believe the one who argues in good grammer, without spelling mistakes and without vulgar tones. I think you did the best one can do.