Ask someone why they have not rehearsed the conversation they are dreading and you rarely hear "I did not think of it." You hear some version of: who would I even do that with?
This is treated as a logistics problem. It is mostly an embarrassment problem.
The audience is the obstacle
Rehearsing a difficult conversation with a friend requires you to be visibly bad at something in front of someone whose opinion you care about, for no immediate benefit, while asking them for a favour. Most people would genuinely rather walk into the real thing underprepared.
The same logic runs through practising a language with a colleague who speaks it, running your wedding toast past your sister, or asking a manager to hear your salary pitch. Every one of those is available and almost nobody does it. The barrier is not access.
There is a fairly consistent finding in the research on this: people disclose more, and self-report less fear of judgment, when they believe they are talking to a computer rather than a person. Not because the machine is better — because the audience is gone.
You can see the same effect in ordinary places. People rehearse arguments in the shower. They practise phone calls in the car. They say the thing out loud while walking the dog. All of these are ways of speaking without being heard.
Why this matters more than it sounds
The people who most need conversational practice are the people for whom the audience problem is worst.
If you are anxious about interviews, you are also anxious about mock interviews. If your English is not yet fluent, practising it in front of a fluent colleague is exactly the situation you are avoiding. If you have not dated in fifteen years, asking a friend to role-play a first date is a conversation you would have to survive before the practice even starts.
So the effect compounds. The gap widens for the people who can least afford it, not because help is unavailable but because accepting it costs something they are not willing to spend.
The honest version of what this does and does not fix
Removing the audience makes the first three attempts possible. That is a real and specific thing, and it is most of what stops people starting.
It does not make you good at talking to people. Nothing that happens alone does. The point of a low-stakes rehearsal is to spend your worst runs where they cost nothing, so the real conversation is your fourth attempt rather than your first — and then to go and have the real conversation.
There is a version of this that goes wrong, and it is worth naming. If the practice becomes the destination rather than the bridge — if it is easier every week and you are not using it for anything — that is a signal worth paying attention to, and probably one to raise with someone who is not a product.
What people actually use it for
The pattern that shows up most often is smaller than you might expect. Not transformation. Just permission to be bad at something once.
Someone says their pitch out loud four times and hears, on the third, that it was ninety seconds of preamble. Someone practises asking for a raise and discovers they were dropping their own number before anyone pushed back. Someone who has not spoken their second language in a year uses it for ten minutes before a call they were dreading.
None of that requires anything sophisticated. It requires the thing to be available at 11pm and completely indifferent to how it goes.