You came in and made a definitive blanket statement, but you don't want someone to say "you're wrong"? There is no one statement that can be applied to all studios (and be accurate), but I think it's safe to say that none of them "don't give a shit" about WW gross.
GI Joe: $150m on a $175m budget. Sequel
The Expendables: $100m on an $80m budget. Sequel
Resident Evil: $40m on a $33m budget. Sequel
Resident Evil: Apocalypse: $51m on a $45m budget. Sequel
Resident Evil: Extinction: $50m on an unknown budget (but higher than $45m, I'd imagine). Sequel
Resident Evil: Afterlife: $60m on a $60m budget. Sequel
Ghost Rider: $115m on a $110m budget. Sequel
Clash of the Titans: $162m on a $125m budget. Sequel
Die Hard with a Vengeance: $100m on a $90m budget. Sequel
Garfield: $75m on a $50m budget. Sequel
Also,
Independence Day: $300m on a $75m budget. No sequel.
The Economist - Bigger Abroad
NY Times - Hollywood Presses its Global Agenda
Anyway, I hope that makes my point a little more clear.