GoFundMe tells a lot of people who they can or cannot send money to via their platform. First, there are laws around sending money to designated terrorist organizations, then there are restrictions around violence, pornography and sex work, and many more. The giant list can be found here: https://www.gofundme.com/c/terms

If you want to mail a check to these truckers, have at it, but GoFundMe is not obligated to collect money on their behalf. Here's another example, but not one Ron Desantis would ever care about - https://www.middleeastmonitor.com/20200131-gofundme-shuts-us...