His comments were echoed by Unsworth, a participant in the rescue bid, who said Musk could "stick his submarine where it hurts".
Musk's Boring Company developed a few very small submarines, hoping to help rescue the Thai boys who were trapped in a cave for over two weeks.
Unsworth had stated that he felt Musk's submersible had no chance of ever working for that specific rescue because it was too big and rigid for the caverns, and as can be seen at a column on the Inquisitr.
Tesla CEO Musk launched the extraordinary tirade against Vernon Unsworth without providing any justification or explanation, after the cave expert slammed his offer of a miniature submarine to extract the footballers from the Tham Luang cave as a "PR stunt".
First, Musk seemed to question whether Unsworth was even there.
Musk tweeted early Tuesday, July 10, 2018, he has visited the cave and has left a mini-submarine there for future use.
"I have made the mistaken assumption - and I will attempt to be better at this - of thinking that because somebody is on Twitter and is attacking me that it is open season", he said.
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The head of the rescue operation, Narongsak Osottanakorn, stated that the machine was impractical for the obstacles they faced.
In response to the criticism, Musk addressed Unsworth in a tweet.
And Unsworth should know - he was instrumental in the boys' rescue, convincing Thai authorities to call on a team of English divers who knew the cave, according to the Daily Mail.
Musk's final tweet in the thread referred to Unsworth as "pedo guy".
"He was one of the driving forces in getting everything done and clarifying for us divers what was going on".
"Bet ya a signed dollar it's true", he wrote in another tweet that has also been deleted.
"Mini-sub is ready if needed".
Musk fired back at this claim, saying the former provincial governor was "not the subject matter expert" and sharing his correspondence with leader of the dive rescue team Richard Stanton.