well, after a tweet that costed that much money, i would probably never tweet again if I were him. however, it was a naughty by nature youtube link, so I guess that is rather harmless
The fine was roughly 0.1% of his net worth. Seems negligible, from a relative perspective.
He probably sees his net worth fluctuate more than that every day purely due to investments.
Yeah, being booted off the board, required to install two independent board members, and facing a criminal investigation are probably the bigger deals than the cash.