I’m willing to be that this change was motivated by investors. With Slack going public there is going to be pressure to develop mass-market appeal and not be fo

I’m willing to be that this change was motivated by investors. With Slack going public there is going to be pressure to develop mass-market appeal and not be focused on their earlier, more technical users. And maintaining multiple versions — one for engineers, one with wysiwyg training wheels, and more — becomes a headache in short order but might be the best approach to making easier to use spins on the core product.