Are Six Flags prices really that expensive?

You can get great discounts online, and it's not expensive as regular price suggests. Is Six Flags charging enough money to get in with these huge discounts? I think not. What about the season pass prices at Magic Mountain? They are underpricing themselves way too much!

$54.99 Six Flags Great America - really charging $40.00
$45.00 Six Flags St. Louis- really charging $37.00
$40.00 Kentucky Kingdom -really charging $31.00
$50.00 Six Flags America really charging $40.00

Great Adventure $60.00 really charging $40.00
Magic Mountain $60.00 really charging $40.00 In my opinion, I think they should charge: $54.00 - $7.00 discount
$30.00 Hurricane Harbor- $5.00 discount (However, you give Hurricane Harbor something new.)

Season Pass Today is-----$60.00 for Magic Mountain which is STUPID
I believe it should be: $110.00 Six Flags Magic Mountain
$60.00 Hurricane Harbor
$150.00 for Hurricane harbor + Magic Mountain

I believe it should be:
Great America - $54.00 - $7.00 discount
I think parking at all parks should be $10.00. Admit that they were stupid, stop giving maps, and parking has gone down!!!

Over Texas $45.00 really charging $40.00 (Wow, that's cheap either way!)
New England $50.00 really charging $40.00
Fiesta Texas $49.00 really charging $34.00

Great Escape $40.00 kids free
Six Flags Mexico $25.00 HUH???
La Ronde $36.00