I assume you're speaking about read.ai (not the rest of my comment)? For what it's worth, the bot starts every conversation with a pop up "are you willing to record this conversation" if you or any party selects no or type "opt out" in the chat at any time it'll leave. You can also set it to only show up when invited.
Conversations are often recorded in the space I'm in (for note taking purposes). So it's fairly convenient. There's A LOT of apps that record meetings for you. Zoom even has this as an option built into their application.
I could see having the ability to search all my meetings to find a clip of a conversation / meeting notes with a client would be invaluable. Otherwise I look like an idiot and contact the client again and ask a question they've already answered.