Those that support him because he's an "outsider" (he isn't, but he markets himself as such) are the ones whose values can be adjusted to fit the MAGA agenda. Bernie bros become full Trump supporters when they ultimately find out that all of the accusations of racism, sexism, etc. against Trump are unfounded. And not only that, the same unhinged maniacs screaming those accusations at Trump will be more than happy to turn on the Bros themselves...and each other.