By waiting for the time when it was a "good PR move" to show support for BLM, they are signaling that they don't actually support BLM (if they did, they would'v

By waiting for the time when it was a "good PR move" to show support for BLM, they are signaling that they don't actually support BLM (if they did, they would've shown their support before), they actually just support having a good public image. Basically, they are just full of shit and are willing to hop on whatever bandwagon makes them look the best.