That wasn't a lack of knowledge that was a lack of watching.Pardew and Rodgers probably do indeed have coaching badges and as a result I am confident that both know a huge amount more than you about football as a result.
You blaming Rose for the goal instead of Wanyana was an example of your lack of knowledge here. The two players not doing their jobs for Rochdale's equaliser were Wanyama and Son, Wanyama's player then scored. While you couldn't see that, instead just blaming the player who ended up being the closest to the goalscorer, I would be astounded if Pardew and Rodgers made that same mistake.
When I looked up, Rose was leaving his man to go and mark someone who wasn't very dangerous - a terrible decision on his part unless he knew there was cover behind him.
Other mistakes had to have been made to get there, but Rose could have easily saved the situation with some decent decision making. There's no way Poch will have told Rose to rigidly stick to a tight back 4 no matter what the circumstances, that would be of no use at all.
There's no amount of training or experience that will allow halfwits to understand situations more than their betters. Sherwood and Shearer both have coaching training and experience so you'll have to do a lot more than just say the words "coaching experience" to make a good argument. You'll need to demonstrate the the person with coaching experience is of reasonable intelligence, that those training them also were and that they were trained in a manner relevant to modern football - especially if that experience has come in the UK. There are simply far too many halfwits reaching relatively high levels in football for that training and experience to be of value in itself.