Oh, yeah, I mean, it would've been awful had it actually happened, even if it worked properly. But try telling that to Microsoft's marketing department circa 1998.
(MS had a bit of a fetish for alternate interfaces at the time; before voice they spent a few years desperately trying to make Windows for Pen Computing a thing).
- hearing people next to you speaking to the computer would be tiring and annoying. Though remote work might be a partial solution to this
- hello voice extinction after days of using a computer :-)