WASHINGTON (AFP) — Twitter won fame in the Arab uprisings nearly a decade ago as a pivotal source for real-time crisis information, but that reputation has withered after the platform's transformation into a magnet for hate speech and disinformation under Elon Musk.

Historically, Twitter's greatest strength was as a tool for gathering and disseminating life-saving information and coordinating emergency relief during times of crisis. Its old-school verification system meant sources and news were widely trusted.

Now the platform, renamed X by new owner Musk, has gutted content moderation, restored accounts of previously banned extremists, and allowed users simply to purchase account verification, helping them profit from viral — but often inaccurate — posts.

The fast-evolving Israel-Gaza conflict has been widely seen as the first real test of Musk's version of the platform during a major crisis. For many experts, the results confirm their worst fears: that changes have made it a challenge to discern truth from fiction.

"It is sobering, though not surprising, to see Musk's reckless decisions exacerbate the information crisis on Twitter surrounding the already tragic Israel-Hamas conflict," Nora Benavidez, senior counsel at the watchdog Free Press, told AFP.

The platform is flooded with violent videos and images — some real but many fake and mislabeled, from entirely different years and places.

Nearly three-fourths of the most viral posts promoting falsehoods about the conflict are being pushed by accounts with verified checkmarks, according to a new study by the watchdog NewsGuard.

In the absence of guardrails, that has made it "very difficult for the public to separate fact from fiction," while escalating "tension and division," Benavidez added.

Fire hose

That was evident on Tuesday after a deadly strike on a hospital in war-ravaged Gaza, as ordinary users scrambling for real-time information vented frustration that the site had become unusable.

Confusion reigned as fake accounts with verified checkmarks shared images of past conflicts while peddling hasty conclusions of unverified videos, illustrating how the platform had handed the megaphone to paying subscribers, irrespective of accuracy.