Earlier quoted context omitted.
I'm tired of this radical subjectivism anytime people vote for something stupid. Sometimes people cut off their nose to spite their face. Reading convoluted reasoning about how it was really actually rational from their perspective because reasons and values never adds anything, either.
That's a very convoluted way to say you aren't interested in debate or having an open mind. So be it.
The parent comment was condemning people for deigning to criticize sacred cows like Brexit. People are free to have stupid, wrong opinions, but they shouldn't whine when people point out they're stupid, wrong opinions.
Debate is great! But you really need a thicker skin and can't demand safe spaces to protect every intellectual vanity you hold.