Callatoroy is arguing the bad side of the sunk cost fallacy. And Presidents LBJ and Bush both lived and died under that supposition when fighting wars. It would be wise for the current administration to reconsider future benefits irrespective of the political (and financial) costs already paid.
Ain't no way Democrats should support bad policy and action...just because "we're already in it". That may be the world's worst decision making.
The sunk cost fallacy is the tendency to continue investing in a decision based on past, irrecoverable costs rather than future benefits.
Definition and Concept
The
sunk cost fallacy occurs when individuals allow past investments of time, money, or effort—known as sunk costs—to influence current decisions, even when abandoning the endeavor would be more rational (

PositivePsychology.com+2). Sunk costs are expenditures that
cannot be recovered, and rational decision-making should focus solely on
future costs and benefits (

Wikipedia+1). Ignoring sunk costs helps avoid the trap of "throwing good money after bad" (

Scribbr).
Psychological Basis
This fallacy is rooted in
loss aversion and emotional attachment. People feel that abandoning a project or relationship would waste prior investments, leading them to persist even when evidence suggests stopping is better (

Scribbr+1). Cognitive biases such as the
status quo bias—a preference to maintain current commitments—also reinforce this behavior (

The Decision Lab).
Common Examples
- Financial investments: Continuing to invest in a declining stock or failing business because of prior money spent (
The Decision Lab+1).
- Relationships: Staying in an unfulfilling relationship due to the time and emotional energy already invested (
The Decision Lab+1).
- Everyday decisions: Watching a boring movie to the end because you already paid for the ticket (
Scribbr).
- Career choices: Persisting in a career path that no longer aligns with personal goals because of prior education or training (
The Decision Lab).
Economic and Rational Perspective
Economists emphasize that
only prospective costs and benefits should guide decisions. Past expenditures are irrelevant to future outcomes, and rational actors should make choices based on expected future returns (

Wikipedia+1). For example, if a project initially projected to yield $120 million now has a value of $65 million after $30 million spent, continuing would be irrational; the decision should be based on future potential, not past spending (

Wikipedia).
Avoiding the Fallacy
To overcome the sunk cost fallacy, focus on:
- Future-oriented thinking: Evaluate decisions based on potential outcomes rather than past investments (
PositivePsychology.com+1).
- Objective assessment: Consider alternatives and their expected benefits without emotional attachment to prior costs (
PositivePsychology.com).
- Awareness of biases: Recognize when loss aversion or commitment to the status quo is influencing your choices (
The Decision Lab+1).
Understanding the sunk cost fallacy helps individuals and organizations make more rational, forward-looking decisions, reducing unnecessary losses and improving overall outcomes (
PositivePsychology.com+1).