"irrational interest" is a correct and usable phrase in written English.
It is typically used to describe an interest in something that may not be rational, or logical, such as an irrational interest in conspiracy theories. For example, "John had an irrational interest in UFOs and alien life forms."
But they can lead to "conflicts of interest, the irrational and unconstructive allocation of resources, or their use by Congressional leaders as carrots and sticks to buy votes for larger measures that clearly lack majority support on the merits".
It is fundamentally irrational to take an interest only in one's own pain and suffering; the only reasonable approach is to be concerned with all the pain and unhappiness of which one becomes aware and to try to eradicate all of it without making artificial distinctions.
"Whether the process is rational or irrational is not my interest".
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Normally, he was contemptuous of them, and uninterested by them, but whenever he suffered a setback, or felt very fragile, his interest in the irrational sky rocketed.
Leaving aside the herd mentality - which habitually afflicts papers and financial markets -most journalists had a vested interest in the "irrational exuberance" of recent years.
Compassion towards peaceful Muslims, not irrational fear, is in the interest of our national security.
Employing technology in such an imaginative way, with performers who are so present in all the realities they venture into, Neumann shows his brainy side; he writes in the program that he's "interested in an irrational response to our perceived place in the universe".
It is also around this time that accounts of Everest expeditions and high-altitude physiology began to explicitly figure the oxygen-scepticism of earlier decades as irrational and damaging to British interests.
If one scales away the controversies brought about by prejudice against the disease, competing market interests, rational and irrational fear of surgery, and past errors of commission or mission in the performance of bariatric surgery, there can be no doubt that surgery for obesity is a successful, validated, legitimate treatment for an otherwise intractable disease.
