More importantly, things only got worse from there when it went from a war against the (ultimately malicious) client to a war against anyone who uses any client other than core, and that's when damage to bitcoin started to occur.
The more you get things wrong, the less it looks like simple mistakes and more like willful distortion of the facts.
There has never been a "stick with Core, or else" message from the detractors of XT or Classic, you're making that up completely. You're either hilariously uninformed/ignorant, or a liar.