The Fast Act is just the latest effort by organized labor to make QSRs "Joint Employers." If put into force, it would be a very bad thing for the entire industry. But given that it's moving through the California legislature, it may just be summertime hot air.
Historically changes in our culture began in California and moved east. Those days are over, at least for a few decades. Silly states like New York or Illinois may fiddle with copies of the new law, but it won't go anywhere nationally.