Elon Musk and Mark Zuckerberg should be BFFs but they've been feuding for years which, as an expert told The List, may simply be because they're too different.

Most Americans are not big fans of Elon Musk and Mark Zuckerberg, the world's two richest men, according to new survey data from Pew Research Center. The majority of respondents (54%) said they had an unfavorable view of Musk,

The survey finds that 67% of young adults view Musk unfavorably, while 66% of Americans hold a negative opinion of Zuckerberg, reflecting growing public distrust in both tech leaders.