Lorenz B. Puntel said this quote

“ Heidegger is the philosopher to whom especially postmodernists chiefly appeal in their radical rejections of metaphysics and of any and every conception of the entirety of actuality, of Being as such and as a whole. To be sure, their appeals to Heidegger are as a rule extraordinarily superficial ones. These authors come nowhere near to providing adequate interpretations of or appropriations from Heid ”