I think that's the usual way the american attorneys advertise. I kinda like that style. In Poland, attorneys aren't allowed to advertise that expressively, which I think is a stupid regulation.
It is a big business because people need to recover their costs or be render homeless is someone hits them with their car or whatever.
As a fun cherry on top, part of the opioid crisis stems from people abusing prescription drugs to return to work sooner than they would in the EU.