Keep calm and carry on (with HTML5)
When the W3C announced that it was retreating from XHTML2 after years in the trenches, propagandists trumpeted that advocacy of XHTML had been foolish. With HTML5 again mired in corporate politics, egotism, squabbles and petty disagreements, it is easy to see why people are questioning if using or advocating HTML5 now is foolish too? At least until all parties reach some kind of armistice.