"but the unfortunate effect" is a correct and usable phrase in written English.
It can be used to indicate that there is a negative result of something that has happened. For example: "The weather was perfect for the picnic, but the unfortunate effect was that all the food went bad."
Banks said she started her journey into tech with a failed 'smizing' app (it basically made you look like you were "smiling with your eyes" but had the unfortunate effect of making users look like aliens).
Hillman argues that therapeutic attempts to eliminate depression echo the Christian theme of resurrection, but have the unfortunate effect of demonizing a soulful state of being.
But it also has the unfortunate effect of smudging what I can only describe as the film's innocence, if a film about an unrepentant serial killer can be described in this way.
But on Tuesday this had the unfortunate effect of overpowering the singers.
The answer is that they can't, but their collective artistry has the unfortunate effect of exposing the wobbly, threadbare platform that Mr. Kasdan has built for them.
There are no truly gifted speakers in New Zealand politics, but at least that avoids the unfortunate effect of American conventions, where mediocre politicians labor to inspire as a matter of duty - and when nothing changes, only end up inspiring more cynicism.
But from the White House's perspective, it has also had the unfortunate effect of sidelining a President vulnerable to the charge of cozying up to Wall Street and wary of giving the Republicans another cudgel to beat him with.
Mr. Ford's awkward little cups had the unfortunate effect of not advancing a new style, but reviving an almost buried suspicion that male designers were secretly reviling women and their bodies.
(But analysis of QOL or QOLt rather than QOLtd would have the unfortunate effect of implicitly imputing QOL after the person died).
The episode had the unfortunate effect of distracting attention from her reform efforts, but she continued to publish The Lily in Seneca Falls, where she was also deputy postmistress, and later in Mount Vernon, Ohio, where she assisted her husband on the Western Home Visitor.
