In my paragraph regarding "performing as you'd expect" I wasn't just referring to league games, but "performing as you'd expect" across the board. Four points from 3 games in the Europa League, knocked out of the League Cup and 20 points from 11 comparatively easy league games - out of last seasons top 6 teams (other than yourselves) you've played 2 home games against City & Liverpool and one away game against United with Chelsea, Southampton and Arsenal still to play before Christmas. Then looking at your second half of the season you have away games at: City, Liverpool, Chelsea, West Ham, Everton, C.Palace & Stoke. Again I'd say at best you'd say Spurs are par for the course, although I'm sure Levy would expect better in the Europa/League Cup.
The second paragraph I disagree with. To qualify for the Champions League, which is your ultimate goal generally takes a similar amount of points (around 68-73). I expect it to take a similar amount of points this season. Also points per game compared with your rivals does not take into account the trickier fixtures that many of your rivals have played, I agree in March this would be a solid way of looking at things, but not so much by the end of October.
Also to last season" is again a stat that gets spouted often, but is totally meaning"compared less. There are always a handful of games where shock results occur; each season these results will change. An example of this is you losing to Villa and drawing with Sunderland last season, 5 of the 6 points you refer to come from these two game that you'd expect to win regardless. Again this "aggregate" stat might make sense in March, but at the moment beating a couple of teams like Villa/Sunderland isn't progress unless you also beat every team you also beat last year.
"Merely" doing as well as last season in the remaining 27 games is going to be very hard. You beat Everton/West Ham/Leicester away last season, you beat Arsenal/Chelsea/So'ton/Swansea at home, you drew with Arsenal & So'ton away. If someone were to offer you 23 points from those 9 games right now you'd, truthfully you'd probably take 13-15.
If you get 6-9 points from your next 3 games I think more people will start to take note, as your results will actually look like progress. last season" is again a stat that gets spouted often, but is totally meaning"compared less