pretty much 100% at least injury and destruction of your minivan, possibly much worse.
participation in this is thuggery. i hope they do a lot more than seize the vehicles. this is a felony and cannot be condoned, whether it be for a BLM protest or a bunch of juvenile rickie-racers.
go to the track and/or get a job.
those of you who defend a bunch of bullies violently blocking a public passage for whatever selfish idea, really need to think though who are victims and who are the aggressors and where you would stack up. it's refreshing to at least see a tiny step being taken.