so @Ford runs an ad taking a swipe @Tesla. @elonmusk goes on a podcast and takes a swipe at Ford, without spending a dime. looks fair enough 

$TSLA
Elon Musk: 'good chance' Ford doesn't survive next recessionhttps://www.businessinsider.com/elon-musk-good-chance-ford-doesnt-survive-next-recession-2018-11 …
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