No one likes King John very much, this is reflected in his position at the top of the leader board every time there is a vote for England's worst king. This always irritates me, in my opinion, John was born into what today we would call a dysfunctional family- squabbling parents, the youngest son, a spoilt and show off older brother. As a king he had to deal with grumpy barons, a bankrupt country and had no support from his people, what chance did he have?
'talented in some respects, good at administrative detail, but suspicious, unscrupulous, and mistrusted.
His crisis-prone career was sabotaged repeatedly by the half-halfheartedness with which his vassals supported
him and the energy with which some of them opposed him.'
English chronicler Matthew Paris wrote that John was
“Foul as it is, hell itself is made fouler by the presence of King John."
even noted children's authors get in on the act, A A Milne writing:
King John was not a good man
He had his little ways.
And sometimes no one spoke to him
For days and days and days.
So there you have it, on the whole, King John is seen a wicked and villainous and his reign a catastrophic failure - personally, I'd say he was unlucky.