Folks are wise to question if they should use OSS that has a CLA assigning copyright because that means they should have zero expectations about the license not changing.
Is it short-sighed? If you think they will go down in market share from now on, yes. But Hashicorp probably thinks it won't or it wouldn't have made the change in the first place. For them, it's all the way up from here.
They have the brains. They should branch out and create a moonshot division that starts to make money and shows stakeholders they can bet on them.
I come from a family that struggles to communicate and just hopes that problems will go away.One parent offended the other? A week without talking and then in the next Sunday family lunch let's pretend nothing happened. They divorced after many decades and don't speak to each other anymore.Same at work. One coworker might disagree with something, just goes along and starts to resent the other...