Eh, it's not that hard to be polite enough. If you focus on the facts without puffing them up with extraneous value judgments, there's no occasion for "really

Eh, it's not that hard to be polite enough. If you focus on the facts without puffing them up with extraneous value judgments, there's no occasion for "really worrying". Instead of saying "X sucks" or "Whoever thought of X deserves a time-traveller to retroactively induce their abortion", the discussion is better served anyway with something like "X has problem Y; Z is better because of these benchmarks/ tests/ metrics", because then supporters of X have a concrete argument to be convinced by (rather than simply cowed/shamed by) or argue against.