Yes, their street's condition played into, but more so, the reason was because of the high expense of having the event in San Francisco because of the expense of doing so.
Not only does the source of your OP mention the costs, so has every source.
https://www.bizjournals.com/sanfran...e-movesopenworld-to-vegas-because-of-san.html
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Oracle will move its annual OpenWorld conference to Las Vegas because San Francisco is too expensive
San Francisco is so expensive, Oracle is moving its annual mega-conference to Las Vegas instead
Oracle's OpenWorld conference leaving San Francisco in 2020 for Las Vegas
You call yourself "BS Filter" but then you push partisan bullshit and didn't include the bigger reasons for the move. The facts are yes, San Francisco has a big homeless issue and visible drug use, but it seems that the high expense of having it in San Francisco play a bigger part for the move. Plus Las Vegas set themselves up to be one of the best places to have a convention. I go to Las Vegas about a half dozen times a year, just for the purpose of attending a convention. Las Vegas does a great job.
But reading your OP, one wouldn't know that the expense of having it in SF and the convention attractive venue available were huge reasons for the change. You should change tour name to "BS Spewer" That would be more honest, on your part.