"He admitted he had not been denied a visa. He admitted he had used the word "several" when he had meant two. In short, he had jumped the gun and shot his mouth off.
"There were various other clarifications too, too many to mention.
"This is not the first time that such claims have been made. In 2003, a person who posed as a KDE developer claimed he had been mistreated at Australian immigration when he arrived to attend the LCA which was held in Perth that year.
"It turned out to be a troll but the American technology news website Slashdot allowed several posts about it without verifying whether there was any substance to the individual's claims. That's "open source journalism", I guess."