Feyerabend is for epistomological anarchic science
Poly methods simply follow from his prescription for scientific practice. One of the good things about his way of doing things is that you would have less longstanding institutional structures of science and something more akin to an upper dark age renaissance way of doing things. There would be less quantitative technical progress on the whole but that's a good thing not a bad thing(think the situationists and their preference for human progress over technical progress).
Poly methods simply follow from his prescription for scientific practice. One of the good things about his way of doing things is that you would have less longstanding institutional structures of science and something more akin to an upper dark age renaissance way of doing things. There would be less quantitative technical progress on the whole but that's a good thing not a bad thing(think the situationists and their preference for human progress over technical progress).