Tournament structure question.

So, I used to play tournaments online, small entry fees, and I did fairly well actually making some money over time, usually landing in the top 3 if I could make it to the final table. Since US players haven't been able to play at the good poker sites for a while now, I recently started playing at the closest casino. I'm kind of frustrated because I've played probably close to 20 games there and only made the final table once and landed in 7th. I figured a lot of it is getting used to live play so that's fine but as I've become more comfortable here, I'm starting to wonder if the structure for the game at this particular casino is more of a luck game and not worth the time or tournament buy in.

Now maybe I just have to tweak myself some more but the last game I played, I was fairly confident in every move I made. I feel the blinds advance too quickly for any kind of real play.

Here's the tournament structure.

Buy in: 40+10 entry fee
Usually 30-40 entrants depending on the night.
Starting Chips: 5000 (you can add on 1000 for an extra 5 dollars at the table which everyone always does so I do too)
Top 4 places paid (first usually gets close to 600 dollars with 40 players)
20 minute blinds
Blind Structure:
25-50
50-100
100-200
200-400
300-600
400-800
1000-2000
2000-4000 (never seen it get higher than this...
No antes.

So... is this a game you can beat even if you were a great player and I just need to work out my play better or am I just throwing money away in a game that short stacks you far to quickly unless you hit a massive pot early in the game?

Thanks.