The gesture was controversial enough, but now come the sub-controversies: Elon Musk is trolling Wikipedia and encouraging its defunding after a description of his recent flourish, seen by some as a Hitler salute, appeared on the encyclopedic website.
The fight pits two of the internet's best-known tech giants against each other -- and highlights the starkly different ethos behind Musk's X social media site and Wikipedia, founded by American entrepreneur Jimmy Wales.
