You probably get this, but a point being made here is guys play through some stuff... Sabb actually played really well yesterday, even with the broken foot, but had be played poorly enough to draw the ire of fans then he would have been roasted for it.
And yeah, people can pretty much criticize all they want. The only way I'd put a stop to it around here is if they went overboard and got too personal. I do think there is a massive difference in constructive and informed criticism though (which can be beneficial) vs. people just shooting from the hip with their emotion packed revolver (which we see a lot of in the wake of losses or poor performances, especially from a handful of members here).