Well there was a very short time between announcing a PC version and launch. So if a PC port was a decision made relatively late in the piece after MS decided it wanted to become a much stronger supporter of PC gaming then some flaws at launch is probably not too surprising. The question then becomes whether there will be a patch.
“The fundamental cause of the trouble is that in the modern world the stupid are cocksure while the intelligent are full of doubt.” - Bertrand Russell
"When the power of love overcomes the love of power, the world will know peace."
Jimi Hendrix