I find it strange that they would accuse Trads who wear suits or dignified clothing to mass as southern Baptists, when many southern Baptists have a revivalist "come as you are" and "just as I am" mentality. It show that they don't know what they are talking about.
When all else fails, they talk about puritanism (to defend drunkenness), protestantism, jansenism, Americanism (which typically refers to something liberal Europeans are intolerant of), jansenism, etc. They never have to define their terms.
Most of this seems to come from a sort of liberal-leaning snobbery. The class divisions in traditional Catholicism are also pretty serious.
But the most dangerous thing, really, is that there will always be rewards waiting for those who want to impose gradual liberalization.