His statement that he supported IATSE workers was referring to the tentitive union strike this week that never happened, that statement was made before his own workers quit his production.
Hollywood avoided an IATSE strike. But broader labor issues aren't going away
If he supported his own IASTE workers, I don't think they would have walked off set in protest and I don't think his company would have then replaced them with non union workers.
'Rust' assistant director told Alec Baldwin gun was safe before movie set shooting: Documents
Seven crew members walked off several hours before Hutchins was killed to express their discontent with matters that ranged from safety conditions to their accommodations.
The crew was initially housed at the Courtyard by Marriot in Santa Fe.. Four days in, however, they were told that going forward they would be housed at the budget Coyote South hotel.
Only minimal COVID-19 precautions were taken even though crew and cast members often worked in small enclosed spaces on the ranch.
[A crew member] said he never witnessed any formal orientation about weapons used on set, which normally would take place before filming begins.
The Los Angeles Times reported that five days before the shooting, Baldwin's stunt double accidently fired two live rounds after being told the gun didn't have any ammunition.
A crew member who was alarmed by the misfires told a unit production manager in a text massage, "We've now had 3 accidental discharges. This is super unsafe"