I see where you are coming from. What you are calling out as anti-rugby (and with plenty of justification before I sound like being on my high horse about it) can also be called a surprisingly simple and effective nullifying tactic when faced by superior opposition. But it can surely only ever have even a chance of working once. If you want to block the channels form a normal ruck and then arrange for a prop to pop out of the front and wander round to get back onside with his arms in the air straight between the opposition 9 and 10. Worked for the All Blacks for years.
I get the disappointment at the style, because there were some moments with ball in hand where Italy looked REALLY REALLY good today. But there was a lot of negative stuff, and both kickers had an absolute mare (which is unusual in such a tall ground as Twickenham in itself). Parisse is MILES too good for Italy. If he was French he would dominate their pack and be brilliant.
Regarding Georgia, relegation and promotion, I do think this needs to be looked at over the next couple of years. Georgia are a decent side now.