It's very unfortunate that what happened to Aston Villa this week, they could have maximized a bigger opportunity to become leaders of the standings, but unfortunately they failed to win the match against the bottom team. I think the Aston Villa team was very confident and underestimated their opponents so they didn't get maximum results.
The draw result in the Liverpool and Arsenal match was very fair, both teams have shown their best performance and indeed these two teams have almost the same strength so sharing the points this week is very fair.
Yes, maybe because Aston Villa underestimated Sheff Utd, they were sure they could win it, but it turned out that Aston Villa almost lost at home. Fortunately, there were still minutes of extra time where Aston Villa achieved 1 point which is very meaningful, even though Aston Villa could have won the full point. if the players can play more aggressively and put pressure on Sheff utd.
Liverpool vs Arsenal is a match that is very difficult to prediction, so a draw is a very fair result for both teams.