Yes, it is difficult to leave the crowd and their science. After all, we've been taught just that, and that the crowd is correct, all our lives. BUT - your weight should be proof that it's not working. In another 30 years, with no change, you'll have a whole lot more proof, and many other serious problems, that it doen't work.
Buy that pound of pastured butter, open it on the counter, grit your teeth, and cook some eggs in it. And some bacon. It will take 2 - 3 days of great meals likt this that you'll love to eat, to get over the CW.
And most important, follow the workout plans. PB won't work without exercise.