The phrase "as having squandered" is correct and usable in written English.
It can be used to describe someone or something that is perceived to have wasted resources, opportunities, or time.
Example: "The report criticized the management team as having squandered the company's potential for growth."
Alternatives: "as having wasted" or "as having mismanaged".
Even more, those involved in the convention preparations portray Denver and party organizers as having squandered precious time, pushing critical decision-making into the final hours when it is more difficult to keep a lid on costs.
The Chinese attitude is no doubt bolstered by the lame-duck status of the Bush administration and by the fact that the United States is widely seen as having squandered its political and military leadership during the war in Iraq, which China opposed.
If he fled to Pakistan, he did so over snow-choked mountain trails that were not blocked by American or other allied troops until after the bombing -- an oversight that some of the allies point to as having squandered the best opportunity of the war to snare America's most wanted man.
That might not have been the wisest move as I see Google+ as having squandered its initial growth momentum such that it will never attain the wildfire spread of Facebook.
Having squandered a succession of chances they almost threw the game away as Graeme Tomlinson and Simon Davies spurned clear opportunities.
Many of the large oil-producing nations such as Saudi Arabia, Kuwait and Venezuela have squandered their chance to build strong and sustainable economies on the proceeds of high oil prices, a leading energy analyst has warned.
So sometimes, when you've been lured in and stayed the course – as happened with True Detective – you end up feeling as if you've squandered vast amounts of time on some kind of dope.
By losing to the Fighting Irish in January, the Huskies felt as if they had squandered a chance to win their eighth consecutive Big East regular-season title.
Anxious, excited, Witty set an early pace that was too fast, and even though she won the silver medal, she felt as if she had squandered her chance.
He wrote the script he had proposed earlier on Aimee Semple McPherson, and he started the one on Dillinger, but he had squandered his health as well as his talents.
There are very few U.S. Presidents who have squandered as many once-in-a-generation opportunities as Barack Obama.
